Finding the Fourth Proportional to 23,312.71, 32,171.78 and 12,702.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,312.71 : 32,171.78 = 12,702.52 : x
2. Step 2: Convert to fraction form
   23,312.71/32,171.78 = 12,702.52/x
3. Step 3: Cross multiply
   23,312.71x = 32,171.78 × 12,702.52
4. Step 4: Simplify right side
   23,312.71x = 408,662,534.94
5. Step 5: Solve for x
   x = 408,662,534.94/23,312.71
6. Step 6: Final answer
   x = 17,529.60