Finding the Fourth Proportional to 9,641.32, 13,303.86 and 5,448.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.32 : 13,303.86 = 5,448.76 : x
2. Step 2: Convert to fraction form
   9,641.32/13,303.86 = 5,448.76/x
3. Step 3: Cross multiply
   9,641.32x = 13,303.86 × 5,448.76
4. Step 4: Simplify right side
   9,641.32x = 72,489,540.21
5. Step 5: Solve for x
   x = 72,489,540.21/9,641.32
6. Step 6: Final answer
   x = 7,518.63