Finding the Fourth Proportional to 2,485.31, 3,725.73 and 1,023.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.31 : 3,725.73 = 1,023.53 : x
2. Step 2: Convert to fraction form
   2,485.31/3,725.73 = 1,023.53/x
3. Step 3: Cross multiply
   2,485.31x = 3,725.73 × 1,023.53
4. Step 4: Simplify right side
   2,485.31x = 3,813,377.80
5. Step 5: Solve for x
   x = 3,813,377.80/2,485.31
6. Step 6: Final answer
   x = 1,534.37