Finding the Fourth Proportional to 9,464.61, 13,061.76 and 5,272.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,464.61 : 13,061.76 = 5,272.86 : x
2. Step 2: Convert to fraction form
   9,464.61/13,061.76 = 5,272.86/x
3. Step 3: Cross multiply
   9,464.61x = 13,061.76 × 5,272.86
4. Step 4: Simplify right side
   9,464.61x = 68,872,831.83
5. Step 5: Solve for x
   x = 68,872,831.83/9,464.61
6. Step 6: Final answer
   x = 7,276.88