Finding the Fourth Proportional to 9,641.32, 13,305.38 and 5,449.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.32 : 13,305.38 = 5,449.32 : x
2. Step 2: Convert to fraction form
   9,641.32/13,305.38 = 5,449.32/x
3. Step 3: Cross multiply
   9,641.32x = 13,305.38 × 5,449.32
4. Step 4: Simplify right side
   9,641.32x = 72,505,273.34
5. Step 5: Solve for x
   x = 72,505,273.34/9,641.32
6. Step 6: Final answer
   x = 7,520.26