Finding the Fourth Proportional to 12,539.24, 17,303.42 and 7,162.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,539.24 : 17,303.42 = 7,162.26 : x
2. Step 2: Convert to fraction form
   12,539.24/17,303.42 = 7,162.26/x
3. Step 3: Cross multiply
   12,539.24x = 17,303.42 × 7,162.26
4. Step 4: Simplify right side
   12,539.24x = 123,931,592.93
5. Step 5: Solve for x
   x = 123,931,592.93/12,539.24
6. Step 6: Final answer
   x = 9,883.50