Finding the Fourth Proportional to 17,143.29, 23,656.27 and 9,973.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143.29 : 23,656.27 = 9,973.35 : x
2. Step 2: Convert to fraction form
   17,143.29/23,656.27 = 9,973.35/x
3. Step 3: Cross multiply
   17,143.29x = 23,656.27 × 9,973.35
4. Step 4: Simplify right side
   17,143.29x = 235,932,260.40
5. Step 5: Solve for x
   x = 235,932,260.40/17,143.29
6. Step 6: Final answer
   x = 13,762.37