Finding the Fourth Proportional to 23,665.30, 32,657.90 and 13,055.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.30 : 32,657.90 = 13,055.02 : x
2. Step 2: Convert to fraction form
   23,665.30/32,657.90 = 13,055.02/x
3. Step 3: Cross multiply
   23,665.30x = 32,657.90 × 13,055.02
4. Step 4: Simplify right side
   23,665.30x = 426,349,537.66
5. Step 5: Solve for x
   x = 426,349,537.66/23,665.30
6. Step 6: Final answer
   x = 18,015.81