Finding the Fourth Proportional to 9,831.64, 14,738.54 and 4,902.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.64 : 14,738.54 = 4,902.79 : x
2. Step 2: Convert to fraction form
   9,831.64/14,738.54 = 4,902.79/x
3. Step 3: Cross multiply
   9,831.64x = 14,738.54 × 4,902.79
4. Step 4: Simplify right side
   9,831.64x = 72,259,892.83
5. Step 5: Solve for x
   x = 72,259,892.83/9,831.64
6. Step 6: Final answer
   x = 7,349.73