Finding the Fourth Proportional to 23,861.60, 32,929.40 and 13,107.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,861.60 : 32,929.40 = 13,107.47 : x
2. Step 2: Convert to fraction form
   23,861.60/32,929.40 = 13,107.47/x
3. Step 3: Cross multiply
   23,861.60x = 32,929.40 × 13,107.47
4. Step 4: Simplify right side
   23,861.60x = 431,620,892.43
5. Step 5: Solve for x
   x = 431,620,892.43/23,861.60
6. Step 6: Final answer
   x = 18,088.52