Finding the Fourth Proportional to 2,521.20, 3,477.90 and 1,526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.20 : 3,477.90 = 1,526.82 : x
2. Step 2: Convert to fraction form
   2,521.20/3,477.90 = 1,526.82/x
3. Step 3: Cross multiply
   2,521.20x = 3,477.90 × 1,526.82
4. Step 4: Simplify right side
   2,521.20x = 5,310,127.28
5. Step 5: Solve for x
   x = 5,310,127.28/2,521.20
6. Step 6: Final answer
   x = 2,106.19