Finding the Fourth Proportional to 12,659.73, 17,470.85 and 7,946.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,659.73 : 17,470.85 = 7,946.61 : x
2. Step 2: Convert to fraction form
   12,659.73/17,470.85 = 7,946.61/x
3. Step 3: Cross multiply
   12,659.73x = 17,470.85 × 7,946.61
4. Step 4: Simplify right side
   12,659.73x = 138,834,031.32
5. Step 5: Solve for x
   x = 138,834,031.32/12,659.73
6. Step 6: Final answer
   x = 10,966.59