Finding the Fourth Proportional to 101,141,417.12, 139,575,523.20 and 54,731,665.76

Step by Step Solution

1. Step 1: Write the proportion equation
   101,141,417.12 : 139,575,523.20 = 54,731,665.76 : x
2. Step 2: Convert to fraction form
   101,141,417.12/139,575,523.20 = 54,731,665.76/x
3. Step 3: Cross multiply
   101,141,417.12x = 139,575,523.20 × 54,731,665.76
4. Step 4: Simplify right side
   101,141,417.12x = 7,639,200,884,059,525
5. Step 5: Solve for x
   x = 7,639,200,884,059,525/101,141,417.12
6. Step 6: Final answer
   x = 75,529,897.66