Finding the Fourth Proportional to 2,555.61, 3,526.63 and 1,562.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.61 : 3,526.63 = 1,562.55 : x
2. Step 2: Convert to fraction form
   2,555.61/3,526.63 = 1,562.55/x
3. Step 3: Cross multiply
   2,555.61x = 3,526.63 × 1,562.55
4. Step 4: Simplify right side
   2,555.61x = 5,510,535.71
5. Step 5: Solve for x
   x = 5,510,535.71/2,555.61
6. Step 6: Final answer
   x = 2,156.25