Finding the Fourth Proportional to 101,066,807.88, 139,472,615.17 and 54,657,061.80

Step by Step Solution

1. Step 1: Write the proportion equation
   101,066,807.88 : 139,472,615.17 = 54,657,061.80 : x
2. Step 2: Convert to fraction form
   101,066,807.88/139,472,615.17 = 54,657,061.80/x
3. Step 3: Cross multiply
   101,066,807.88x = 139,472,615.17 × 54,657,061.80
4. Step 4: Simplify right side
   101,066,807.88x = 7,623,163,346,617,664
5. Step 5: Solve for x
   x = 7,623,163,346,617,664/101,066,807.88
6. Step 6: Final answer
   x = 75,426,972.58