Finding the Fourth Proportional to 101,261,499.57, 139,741,540.11 and 54,851,753.07

Step by Step Solution

1. Step 1: Write the proportion equation
   101,261,499.57 : 139,741,540.11 = 54,851,753.07 : x
2. Step 2: Convert to fraction form
   101,261,499.57/139,741,540.11 = 54,851,753.07/x
3. Step 3: Cross multiply
   101,261,499.57x = 139,741,540.11 × 54,851,753.07
4. Step 4: Simplify right side
   101,261,499.57x = 7,665,068,451,735,221
5. Step 5: Solve for x
   x = 7,665,068,451,735,221/101,261,499.57
6. Step 6: Final answer
   x = 75,695,782.55