Finding the Fourth Proportional to 2,517.80, 3,474.62 and 1,522.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.80 : 3,474.62 = 1,522.88 : x
2. Step 2: Convert to fraction form
   2,517.80/3,474.62 = 1,522.88/x
3. Step 3: Cross multiply
   2,517.80x = 3,474.62 × 1,522.88
4. Step 4: Simplify right side
   2,517.80x = 5,291,429.31
5. Step 5: Solve for x
   x = 5,291,429.31/2,517.80
6. Step 6: Final answer
   x = 2,101.61