Finding the Fourth Proportional to 2,373.39, 3,561.12 and 987.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.39 : 3,561.12 = 987.08 : x
2. Step 2: Convert to fraction form
   2,373.39/3,561.12 = 987.08/x
3. Step 3: Cross multiply
   2,373.39x = 3,561.12 × 987.08
4. Step 4: Simplify right side
   2,373.39x = 3,515,092.52
5. Step 5: Solve for x
   x = 3,515,092.52/2,373.39
6. Step 6: Final answer
   x = 1,481.04