Finding the Fourth Proportional to 2,645.62, 3,650.94 and 1,526.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.62 : 3,650.94 = 1,526.55 : x
2. Step 2: Convert to fraction form
   2,645.62/3,650.94 = 1,526.55/x
3. Step 3: Cross multiply
   2,645.62x = 3,650.94 × 1,526.55
4. Step 4: Simplify right side
   2,645.62x = 5,573,342.46
5. Step 5: Solve for x
   x = 5,573,342.46/2,645.62
6. Step 6: Final answer
   x = 2,106.63