Finding the Fourth Proportional to 9,179.48, 12,665.86 and 5,402.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.48 : 12,665.86 = 5,402.82 : x
2. Step 2: Convert to fraction form
   9,179.48/12,665.86 = 5,402.82/x
3. Step 3: Cross multiply
   9,179.48x = 12,665.86 × 5,402.82
4. Step 4: Simplify right side
   9,179.48x = 68,431,348.22
5. Step 5: Solve for x
   x = 68,431,348.22/9,179.48
6. Step 6: Final answer
   x = 7,454.82