Finding the Fourth Proportional to 23,517.55, 32,454.12 and 12,907.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,517.55 : 32,454.12 = 12,907.36 : x
2. Step 2: Convert to fraction form
   23,517.55/32,454.12 = 12,907.36/x
3. Step 3: Cross multiply
   23,517.55x = 32,454.12 × 12,907.36
4. Step 4: Simplify right side
   23,517.55x = 418,897,010.32
5. Step 5: Solve for x
   x = 418,897,010.32/23,517.55
6. Step 6: Final answer
   x = 17,812.10