Finding the Fourth Proportional to 12,831.74, 19,244.71 and 4,061.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,831.74 : 19,244.71 = 4,061.87 : x
2. Step 2: Convert to fraction form
   12,831.74/19,244.71 = 4,061.87/x
3. Step 3: Cross multiply
   12,831.74x = 19,244.71 × 4,061.87
4. Step 4: Simplify right side
   12,831.74x = 78,169,563.40
5. Step 5: Solve for x
   x = 78,169,563.40/12,831.74
6. Step 6: Final answer
   x = 6,091.89