Finding the Fourth Proportional to 2,522.15, 3,480.80 and 1,527.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.15 : 3,480.80 = 1,527.69 : x
2. Step 2: Convert to fraction form
   2,522.15/3,480.80 = 1,527.69/x
3. Step 3: Cross multiply
   2,522.15x = 3,480.80 × 1,527.69
4. Step 4: Simplify right side
   2,522.15x = 5,317,575.71
5. Step 5: Solve for x
   x = 5,317,575.71/2,522.15
6. Step 6: Final answer
   x = 2,108.35