Finding the Fourth Proportional to 101,187,414.72, 139,638,602.88 and 54,777,634.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,187,414.72 : 139,638,602.88 = 54,777,634.56 : x
2. Step 2: Convert to fraction form
   101,187,414.72/139,638,602.88 = 54,777,634.56/x
3. Step 3: Cross multiply
   101,187,414.72x = 139,638,602.88 × 54,777,634.56
4. Step 4: Simplify right side
   101,187,414.72x = 7,649,072,359,029,604
5. Step 5: Solve for x
   x = 7,649,072,359,029,604/101,187,414.72
6. Step 6: Final answer
   x = 75,593,119.76