Finding the Fourth Proportional to 2,630.08, 3,944.40 and 987.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.08 : 3,944.40 = 987.52 : x
2. Step 2: Convert to fraction form
   2,630.08/3,944.40 = 987.52/x
3. Step 3: Cross multiply
   2,630.08x = 3,944.40 × 987.52
4. Step 4: Simplify right side
   2,630.08x = 3,895,173.89
5. Step 5: Solve for x
   x = 3,895,173.89/2,630.08
6. Step 6: Final answer
   x = 1,481.01