Finding the Fourth Proportional to 23,659.10, 32,649.31 and 13,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,659.10 : 32,649.31 = 13,048.50 : x
2. Step 2: Convert to fraction form
   23,659.10/32,649.31 = 13,048.50/x
3. Step 3: Cross multiply
   23,659.10x = 32,649.31 × 13,048.50
4. Step 4: Simplify right side
   23,659.10x = 426,024,521.54
5. Step 5: Solve for x
   x = 426,024,521.54/23,659.10
6. Step 6: Final answer
   x = 18,006.79