Finding the Fourth Proportional to 12,842.66, 17,724.15 and 7,537.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,842.66 : 17,724.15 = 7,537.37 : x
2. Step 2: Convert to fraction form
   12,842.66/17,724.15 = 7,537.37/x
3. Step 3: Cross multiply
   12,842.66x = 17,724.15 × 7,537.37
4. Step 4: Simplify right side
   12,842.66x = 133,593,387.86
5. Step 5: Solve for x
   x = 133,593,387.86/12,842.66
6. Step 6: Final answer
   x = 10,402.31