Finding the Fourth Proportional to 12,659.52, 17,470.40 and 7,070.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,659.52 : 17,470.40 = 7,070.52 : x
2. Step 2: Convert to fraction form
   12,659.52/17,470.40 = 7,070.52/x
3. Step 3: Cross multiply
   12,659.52x = 17,470.40 × 7,070.52
4. Step 4: Simplify right side
   12,659.52x = 123,524,812.61
5. Step 5: Solve for x
   x = 123,524,812.61/12,659.52
6. Step 6: Final answer
   x = 9,757.46