Finding the Fourth Proportional to 2,373.56, 3,558.82 and 987.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.56 : 3,558.82 = 987.85 : x
2. Step 2: Convert to fraction form
   2,373.56/3,558.82 = 987.85/x
3. Step 3: Cross multiply
   2,373.56x = 3,558.82 × 987.85
4. Step 4: Simplify right side
   2,373.56x = 3,515,580.34
5. Step 5: Solve for x
   x = 3,515,580.34/2,373.56
6. Step 6: Final answer
   x = 1,481.14