Finding the Fourth Proportional to 12,849.16, 17,724.60 and 7,542.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.16 : 17,724.60 = 7,542.94 : x
2. Step 2: Convert to fraction form
   12,849.16/17,724.60 = 7,542.94/x
3. Step 3: Cross multiply
   12,849.16x = 17,724.60 × 7,542.94
4. Step 4: Simplify right side
   12,849.16x = 133,695,594.32
5. Step 5: Solve for x
   x = 133,695,594.32/12,849.16
6. Step 6: Final answer
   x = 10,405.01