Finding the Fourth Proportional to 23,659.40, 32,649.92 and 13,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,659.40 : 32,649.92 = 13,588.50 : x
2. Step 2: Convert to fraction form
   23,659.40/32,649.92 = 13,588.50/x
3. Step 3: Cross multiply
   23,659.40x = 32,649.92 × 13,588.50
4. Step 4: Simplify right side
   23,659.40x = 443,663,471.89
5. Step 5: Solve for x
   x = 443,663,471.89/23,659.40
6. Step 6: Final answer
   x = 18,752.10