Finding the Fourth Proportional to 2,445.52, 3,671.92 and 987.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.52 : 3,671.92 = 987.52 : x
2. Step 2: Convert to fraction form
   2,445.52/3,671.92 = 987.52/x
3. Step 3: Cross multiply
   2,445.52x = 3,671.92 × 987.52
4. Step 4: Simplify right side
   2,445.52x = 3,626,094.44
5. Step 5: Solve for x
   x = 3,626,094.44/2,445.52
6. Step 6: Final answer
   x = 1,482.75