Finding the Fourth Proportional to 8,982.72, 12,393.96 and 5,154.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,982.72 : 12,393.96 = 5,154.72 : x
2. Step 2: Convert to fraction form
   8,982.72/12,393.96 = 5,154.72/x
3. Step 3: Cross multiply
   8,982.72x = 12,393.96 × 5,154.72
4. Step 4: Simplify right side
   8,982.72x = 63,887,393.49
5. Step 5: Solve for x
   x = 63,887,393.49/8,982.72
6. Step 6: Final answer
   x = 7,112.25