Finding the Fourth Proportional to 2,699.46, 3,725.30 and 1,520.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.46 : 3,725.30 = 1,520.55 : x
2. Step 2: Convert to fraction form
   2,699.46/3,725.30 = 1,520.55/x
3. Step 3: Cross multiply
   2,699.46x = 3,725.30 × 1,520.55
4. Step 4: Simplify right side
   2,699.46x = 5,664,508.72
5. Step 5: Solve for x
   x = 5,664,508.72/2,699.46
6. Step 6: Final answer
   x = 2,098.39