Finding the Fourth Proportional to 12,929.46, 17,844.58 and 7,896.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.46 : 17,844.58 = 7,896.60 : x
2. Step 2: Convert to fraction form
   12,929.46/17,844.58 = 7,896.60/x
3. Step 3: Cross multiply
   12,929.46x = 17,844.58 × 7,896.60
4. Step 4: Simplify right side
   12,929.46x = 140,911,510.43
5. Step 5: Solve for x
   x = 140,911,510.43/12,929.46
6. Step 6: Final answer
   x = 10,898.48