Finding the Fourth Proportional to 23,615.50, 32,589.03 and 13,005.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,615.50 : 32,589.03 = 13,005.13 : x
2. Step 2: Convert to fraction form
   23,615.50/32,589.03 = 13,005.13/x
3. Step 3: Cross multiply
   23,615.50x = 32,589.03 × 13,005.13
4. Step 4: Simplify right side
   23,615.50x = 423,824,691.78
5. Step 5: Solve for x
   x = 423,824,691.78/23,615.50
6. Step 6: Final answer
   x = 17,946.89