Finding the Fourth Proportional to 9,698.32, 13,382.71 and 5,449.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.32 : 13,382.71 = 5,449.87 : x
2. Step 2: Convert to fraction form
   9,698.32/13,382.71 = 5,449.87/x
3. Step 3: Cross multiply
   9,698.32x = 13,382.71 × 5,449.87
4. Step 4: Simplify right side
   9,698.32x = 72,934,029.75
5. Step 5: Solve for x
   x = 72,934,029.75/9,698.32
6. Step 6: Final answer
   x = 7,520.27