Finding the Fourth Proportional to 12,329.52, 17,012.57 and 7,291.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.52 : 17,012.57 = 7,291.90 : x
2. Step 2: Convert to fraction form
   12,329.52/17,012.57 = 7,291.90/x
3. Step 3: Cross multiply
   12,329.52x = 17,012.57 × 7,291.90
4. Step 4: Simplify right side
   12,329.52x = 124,053,926.90
5. Step 5: Solve for x
   x = 124,053,926.90/12,329.52
6. Step 6: Final answer
   x = 10,061.54