Finding the Fourth Proportional to 72,867,453.59, 100,556,841.69 and 39,827,683.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,867,453.59 : 100,556,841.69 = 39,827,683.60 : x
2. Step 2: Convert to fraction form
   72,867,453.59/100,556,841.69 = 39,827,683.60/x
3. Step 3: Cross multiply
   72,867,453.59x = 100,556,841.69 × 39,827,683.60
4. Step 4: Simplify right side
   72,867,453.59x = 4,004,946,074,393,216.50
5. Step 5: Solve for x
   x = 4,004,946,074,393,216.50/72,867,453.59
6. Step 6: Final answer
   x = 54,962,069.85