Finding the Fourth Proportional to 1,015,743.69, 1,401,741.99 and 556,902.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,743.69 : 1,401,741.99 = 556,902.18 : x
2. Step 2: Convert to fraction form
   1,015,743.69/1,401,741.99 = 556,902.18/x
3. Step 3: Cross multiply
   1,015,743.69x = 1,401,741.99 × 556,902.18
4. Step 4: Simplify right side
   1,015,743.69x = 780,633,170,028.54
5. Step 5: Solve for x
   x = 780,633,170,028.54/1,015,743.69
6. Step 6: Final answer
   x = 768,533.62