Finding the Fourth Proportional to 17,736.60, 24,481.62 and 12,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.60 : 24,481.62 = 12,432.72 : x
2. Step 2: Convert to fraction form
   17,736.60/24,481.62 = 12,432.72/x
3. Step 3: Cross multiply
   17,736.60x = 24,481.62 × 12,432.72
4. Step 4: Simplify right side
   17,736.60x = 304,373,126.61
5. Step 5: Solve for x
   x = 304,373,126.61/17,736.60
6. Step 6: Final answer
   x = 17,160.74