Finding the Fourth Proportional to 2,374.29, 3,562.72 and 988.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.29 : 3,562.72 = 988.58 : x
2. Step 2: Convert to fraction form
   2,374.29/3,562.72 = 988.58/x
3. Step 3: Cross multiply
   2,374.29x = 3,562.72 × 988.58
4. Step 4: Simplify right side
   2,374.29x = 3,522,033.74
5. Step 5: Solve for x
   x = 3,522,033.74/2,374.29
6. Step 6: Final answer
   x = 1,483.41