Finding the Fourth Proportional to 2,561.96, 3,535.72 and 1,485.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.96 : 3,535.72 = 1,485.62 : x
2. Step 2: Convert to fraction form
   2,561.96/3,535.72 = 1,485.62/x
3. Step 3: Cross multiply
   2,561.96x = 3,535.72 × 1,485.62
4. Step 4: Simplify right side
   2,561.96x = 5,252,736.35
5. Step 5: Solve for x
   x = 5,252,736.35/2,561.96
6. Step 6: Final answer
   x = 2,050.28