Finding the Fourth Proportional to 2,521.34, 3,480.06 and 1,526.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.34 : 3,480.06 = 1,526.45 : x
2. Step 2: Convert to fraction form
   2,521.34/3,480.06 = 1,526.45/x
3. Step 3: Cross multiply
   2,521.34x = 3,480.06 × 1,526.45
4. Step 4: Simplify right side
   2,521.34x = 5,312,120.19
5. Step 5: Solve for x
   x = 5,312,120.19/2,521.34
6. Step 6: Final answer
   x = 2,106.87