Finding the Fourth Proportional to 2,521.26, 3,478.42 and 1,526.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.26 : 3,478.42 = 1,526.18 : x
2. Step 2: Convert to fraction form
   2,521.26/3,478.42 = 1,526.18/x
3. Step 3: Cross multiply
   2,521.26x = 3,478.42 × 1,526.18
4. Step 4: Simplify right side
   2,521.26x = 5,308,695.04
5. Step 5: Solve for x
   x = 5,308,695.04/2,521.26
6. Step 6: Final answer
   x = 2,105.57