Finding the Fourth Proportional to 2,485.32, 3,725.46 and 1,561.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.32 : 3,725.46 = 1,561.53 : x
2. Step 2: Convert to fraction form
   2,485.32/3,725.46 = 1,561.53/x
3. Step 3: Cross multiply
   2,485.32x = 3,725.46 × 1,561.53
4. Step 4: Simplify right side
   2,485.32x = 5,817,417.55
5. Step 5: Solve for x
   x = 5,817,417.55/2,485.32
6. Step 6: Final answer
   x = 2,340.71