Finding the Fourth Proportional to 12,795.98, 17,658.71 and 7,131.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,795.98 : 17,658.71 = 7,131.24 : x
2. Step 2: Convert to fraction form
   12,795.98/17,658.71 = 7,131.24/x
3. Step 3: Cross multiply
   12,795.98x = 17,658.71 × 7,131.24
4. Step 4: Simplify right side
   12,795.98x = 125,928,490.19
5. Step 5: Solve for x
   x = 125,928,490.19/12,795.98
6. Step 6: Final answer
   x = 9,841.26