Finding the Fourth Proportional to 2,727,556,388,049.50, 3,764,051,288,460 and 1,555,715,436,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727,556,388,049.50 : 3,764,051,288,460 = 1,555,715,436,317.50 : x
2. Step 2: Convert to fraction form
   2,727,556,388,049.50/3,764,051,288,460 = 1,555,715,436,317.50/x
3. Step 3: Cross multiply
   2,727,556,388,049.50x = 3,764,051,288,460 × 1,555,715,436,317.50
4. Step 4: Simplify right side
   2,727,556,388,049.50x = 5,855,792,692,547,997,237,510,144
5. Step 5: Solve for x
   x = 5,855,792,692,547,997,237,510,144/2,727,556,388,049.50
6. Step 6: Final answer
   x = 2,146,900,690,377.85