Finding the Fourth Proportional to 2,521.35, 3,479.04 and 1,526.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.35 : 3,479.04 = 1,526.58 : x
2. Step 2: Convert to fraction form
   2,521.35/3,479.04 = 1,526.58/x
3. Step 3: Cross multiply
   2,521.35x = 3,479.04 × 1,526.58
4. Step 4: Simplify right side
   2,521.35x = 5,311,032.88
5. Step 5: Solve for x
   x = 5,311,032.88/2,521.35
6. Step 6: Final answer
   x = 2,106.42