Finding the Fourth Proportional to 2,375.42, 3,562.88 and 987.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.42 : 3,562.88 = 987.88 : x
2. Step 2: Convert to fraction form
   2,375.42/3,562.88 = 987.88/x
3. Step 3: Cross multiply
   2,375.42x = 3,562.88 × 987.88
4. Step 4: Simplify right side
   2,375.42x = 3,519,697.89
5. Step 5: Solve for x
   x = 3,519,697.89/2,375.42
6. Step 6: Final answer
   x = 1,481.72