Finding the Fourth Proportional to 23,500.06, 32,432.16 and 12,891.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,500.06 : 32,432.16 = 12,891.76 : x
2. Step 2: Convert to fraction form
   23,500.06/32,432.16 = 12,891.76/x
3. Step 3: Cross multiply
   23,500.06x = 32,432.16 × 12,891.76
4. Step 4: Simplify right side
   23,500.06x = 418,107,396.38
5. Step 5: Solve for x
   x = 418,107,396.38/23,500.06
6. Step 6: Final answer
   x = 17,791.76