Finding the Fourth Proportional to 2,529.14, 3,490.20 and 1,520.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.14 : 3,490.20 = 1,520.69 : x
2. Step 2: Convert to fraction form
   2,529.14/3,490.20 = 1,520.69/x
3. Step 3: Cross multiply
   2,529.14x = 3,490.20 × 1,520.69
4. Step 4: Simplify right side
   2,529.14x = 5,307,494.79
5. Step 5: Solve for x
   x = 5,307,494.79/2,529.14
6. Step 6: Final answer
   x = 2,098.54