Finding the Fourth Proportional to 2,521.46, 3,478.65 and 1,526.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.46 : 3,478.65 = 1,526.06 : x
2. Step 2: Convert to fraction form
   2,521.46/3,478.65 = 1,526.06/x
3. Step 3: Cross multiply
   2,521.46x = 3,478.65 × 1,526.06
4. Step 4: Simplify right side
   2,521.46x = 5,308,628.62
5. Step 5: Solve for x
   x = 5,308,628.62/2,521.46
6. Step 6: Final answer
   x = 2,105.38