Finding the Fourth Proportional to 9,298.13, 12,831.56 and 5,106.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.13 : 12,831.56 = 5,106.38 : x
2. Step 2: Convert to fraction form
   9,298.13/12,831.56 = 5,106.38/x
3. Step 3: Cross multiply
   9,298.13x = 12,831.56 × 5,106.38
4. Step 4: Simplify right side
   9,298.13x = 65,522,821.35
5. Step 5: Solve for x
   x = 65,522,821.35/9,298.13
6. Step 6: Final answer
   x = 7,046.88