Finding the Fourth Proportional to 9,641.33, 14,445.49 and 5,261.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.33 : 14,445.49 = 5,261.86 : x
2. Step 2: Convert to fraction form
   9,641.33/14,445.49 = 5,261.86/x
3. Step 3: Cross multiply
   9,641.33x = 14,445.49 × 5,261.86
4. Step 4: Simplify right side
   9,641.33x = 76,010,146.01
5. Step 5: Solve for x
   x = 76,010,146.01/9,641.33
6. Step 6: Final answer
   x = 7,883.78