Finding the Fourth Proportional to 12,702.32, 17,527.56 and 7,113.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702.32 : 17,527.56 = 7,113.32 : x
2. Step 2: Convert to fraction form
   12,702.32/17,527.56 = 7,113.32/x
3. Step 3: Cross multiply
   12,702.32x = 17,527.56 × 7,113.32
4. Step 4: Simplify right side
   12,702.32x = 124,679,143.10
5. Step 5: Solve for x
   x = 124,679,143.10/12,702.32
6. Step 6: Final answer
   x = 9,815.46