Finding the Fourth Proportional to 17,062.30, 23,545.92 and 9,987.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,062.30 : 23,545.92 = 9,987.31 : x
2. Step 2: Convert to fraction form
   17,062.30/23,545.92 = 9,987.31/x
3. Step 3: Cross multiply
   17,062.30x = 23,545.92 × 9,987.31
4. Step 4: Simplify right side
   17,062.30x = 235,160,402.28
5. Step 5: Solve for x
   x = 235,160,402.28/17,062.30
6. Step 6: Final answer
   x = 13,782.46