Finding the Fourth Proportional to 2,454.30, 3,681.72 and 993.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.30 : 3,681.72 = 993.06 : x
2. Step 2: Convert to fraction form
   2,454.30/3,681.72 = 993.06/x
3. Step 3: Cross multiply
   2,454.30x = 3,681.72 × 993.06
4. Step 4: Simplify right side
   2,454.30x = 3,656,168.86
5. Step 5: Solve for x
   x = 3,656,168.86/2,454.30
6. Step 6: Final answer
   x = 1,489.70