Finding the Fourth Proportional to 7,849.18, 10,831.98 and 4,312.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,849.18 : 10,831.98 = 4,312.72 : x
2. Step 2: Convert to fraction form
   7,849.18/10,831.98 = 4,312.72/x
3. Step 3: Cross multiply
   7,849.18x = 10,831.98 × 4,312.72
4. Step 4: Simplify right side
   7,849.18x = 46,715,296.79
5. Step 5: Solve for x
   x = 46,715,296.79/7,849.18
6. Step 6: Final answer
   x = 5,951.61