Finding the Fourth Proportional to 12,898.92, 17,800.71 and 7,234.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898.92 : 17,800.71 = 7,234.93 : x
2. Step 2: Convert to fraction form
   12,898.92/17,800.71 = 7,234.93/x
3. Step 3: Cross multiply
   12,898.92x = 17,800.71 × 7,234.93
4. Step 4: Simplify right side
   12,898.92x = 128,786,801.80
5. Step 5: Solve for x
   x = 128,786,801.80/12,898.92
6. Step 6: Final answer
   x = 9,984.31