Finding the Fourth Proportional to 111,003,419,057.79, 166,218,368,715.65 and 76,610,733,925.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,003,419,057.79 : 166,218,368,715.65 = 76,610,733,925.15 : x
2. Step 2: Convert to fraction form
   111,003,419,057.79/166,218,368,715.65 = 76,610,733,925.15/x
3. Step 3: Cross multiply
   111,003,419,057.79x = 166,218,368,715.65 × 76,610,733,925.15
4. Step 4: Simplify right side
   111,003,419,057.79x = 12,734,111,219,146,307,928,064
5. Step 5: Solve for x
   x = 12,734,111,219,146,307,928,064/111,003,419,057.79
6. Step 6: Final answer
   x = 114,718,189,108.36