Finding the Fourth Proportional to 8,981.62, 13,474.25 and 3,142.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,981.62 : 13,474.25 = 3,142.33 : x
2. Step 2: Convert to fraction form
   8,981.62/13,474.25 = 3,142.33/x
3. Step 3: Cross multiply
   8,981.62x = 13,474.25 × 3,142.33
4. Step 4: Simplify right side
   8,981.62x = 42,340,502.39
5. Step 5: Solve for x
   x = 42,340,502.39/8,981.62
6. Step 6: Final answer
   x = 4,714.13