Finding the Fourth Proportional to 2,517.76, 3,475.20 and 1,522.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.76 : 3,475.20 = 1,522.88 : x
2. Step 2: Convert to fraction form
   2,517.76/3,475.20 = 1,522.88/x
3. Step 3: Cross multiply
   2,517.76x = 3,475.20 × 1,522.88
4. Step 4: Simplify right side
   2,517.76x = 5,292,312.58
5. Step 5: Solve for x
   x = 5,292,312.58/2,517.76
6. Step 6: Final answer
   x = 2,101.99