Finding the Fourth Proportional to 2,699.43, 3,725.31 and 1,520.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.43 : 3,725.31 = 1,520.61 : x
2. Step 2: Convert to fraction form
   2,699.43/3,725.31 = 1,520.61/x
3. Step 3: Cross multiply
   2,699.43x = 3,725.31 × 1,520.61
4. Step 4: Simplify right side
   2,699.43x = 5,664,743.64
5. Step 5: Solve for x
   x = 5,664,743.64/2,699.43
6. Step 6: Final answer
   x = 2,098.50