Finding the Fourth Proportional to 111,007,404.12, 166,510,175.94 and 86,766,717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,007,404.12 : 166,510,175.94 = 86,766,717.72 : x
2. Step 2: Convert to fraction form
   111,007,404.12/166,510,175.94 = 86,766,717.72/x
3. Step 3: Cross multiply
   111,007,404.12x = 166,510,175.94 × 86,766,717.72
4. Step 4: Simplify right side
   111,007,404.12x = 14,447,541,433,293,516
5. Step 5: Solve for x
   x = 14,447,541,433,293,516/111,007,404.12
6. Step 6: Final answer
   x = 130,149,349.48