Finding the Fourth Proportional to 3,452.24, 5,179.18 and 987.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452.24 : 5,179.18 = 987.00 : x
2. Step 2: Convert to fraction form
   3,452.24/5,179.18 = 987.00/x
3. Step 3: Cross multiply
   3,452.24x = 5,179.18 × 987.00
4. Step 4: Simplify right side
   3,452.24x = 5,111,819.83
5. Step 5: Solve for x
   x = 5,111,819.83/3,452.24
6. Step 6: Final answer
   x = 1,480.72