Finding the Fourth Proportional to 12,702.17, 17,529.84 and 7,037.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702.17 : 17,529.84 = 7,037.16 : x
2. Step 2: Convert to fraction form
   12,702.17/17,529.84 = 7,037.16/x
3. Step 3: Cross multiply
   12,702.17x = 17,529.84 × 7,037.16
4. Step 4: Simplify right side
   12,702.17x = 123,360,288.85
5. Step 5: Solve for x
   x = 123,360,288.85/12,702.17
6. Step 6: Final answer
   x = 9,711.75