Finding the Fourth Proportional to 111,003,419,058.79, 166,218,368,717.15 and 76,610,733,926.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,003,419,058.79 : 166,218,368,717.15 = 76,610,733,926.15 : x
2. Step 2: Convert to fraction form
   111,003,419,058.79/166,218,368,717.15 = 76,610,733,926.15/x
3. Step 3: Cross multiply
   111,003,419,058.79x = 166,218,368,717.15 × 76,610,733,926.15
4. Step 4: Simplify right side
   111,003,419,058.79x = 12,734,111,219,428,272,111,616
5. Step 5: Solve for x
   x = 12,734,111,219,428,272,111,616/111,003,419,058.79
6. Step 6: Final answer
   x = 114,718,189,109.87