Finding the Fourth Proportional to 8,923.31, 12,314.16 and 5,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923.31 : 12,314.16 = 5,146.42 : x
2. Step 2: Convert to fraction form
   8,923.31/12,314.16 = 5,146.42/x
3. Step 3: Cross multiply
   8,923.31x = 12,314.16 × 5,146.42
4. Step 4: Simplify right side
   8,923.31x = 63,373,831.61
5. Step 5: Solve for x
   x = 63,373,831.61/8,923.31
6. Step 6: Final answer
   x = 7,102.05