Finding the Fourth Proportional to 8,329.91, 12,498.93 and 3,649.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,329.91 : 12,498.93 = 3,649.28 : x
2. Step 2: Convert to fraction form
   8,329.91/12,498.93 = 3,649.28/x
3. Step 3: Cross multiply
   8,329.91x = 12,498.93 × 3,649.28
4. Step 4: Simplify right side
   8,329.91x = 45,612,032.78
5. Step 5: Solve for x
   x = 45,612,032.78/8,329.91
6. Step 6: Final answer
   x = 5,475.70