Finding the Fourth Proportional to 23,665.50, 32,657.87 and 13,055.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.50 : 32,657.87 = 13,055.13 : x
2. Step 2: Convert to fraction form
   23,665.50/32,657.87 = 13,055.13/x
3. Step 3: Cross multiply
   23,665.50x = 32,657.87 × 13,055.13
4. Step 4: Simplify right side
   23,665.50x = 426,352,807.78
5. Step 5: Solve for x
   x = 426,352,807.78/23,665.50
6. Step 6: Final answer
   x = 18,015.79