Finding the Fourth Proportional to 10,831.75, 14,947.82 and 6,115.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,831.75 : 14,947.82 = 6,115.93 : x
2. Step 2: Convert to fraction form
   10,831.75/14,947.82 = 6,115.93/x
3. Step 3: Cross multiply
   10,831.75x = 14,947.82 × 6,115.93
4. Step 4: Simplify right side
   10,831.75x = 91,419,820.77
5. Step 5: Solve for x
   x = 91,419,820.77/10,831.75
6. Step 6: Final answer
   x = 8,439.99