Finding the Fourth Proportional to 23,102,086.99, 31,881,256.04 and 12,647,926.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,102,086.99 : 31,881,256.04 = 12,647,926.89 : x
2. Step 2: Convert to fraction form
   23,102,086.99/31,881,256.04 = 12,647,926.89/x
3. Step 3: Cross multiply
   23,102,086.99x = 31,881,256.04 × 12,647,926.89
4. Step 4: Simplify right side
   23,102,086.99x = 403,231,795,555,290.94
5. Step 5: Solve for x
   x = 403,231,795,555,290.94/23,102,086.99
6. Step 6: Final answer
   x = 17,454,344.96