Finding the Fourth Proportional to 13,831.94, 19,085.37 and 7,862.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,831.94 : 19,085.37 = 7,862.59 : x
2. Step 2: Convert to fraction form
   13,831.94/19,085.37 = 7,862.59/x
3. Step 3: Cross multiply
   13,831.94x = 19,085.37 × 7,862.59
4. Step 4: Simplify right side
   13,831.94x = 150,060,343.88
5. Step 5: Solve for x
   x = 150,060,343.88/13,831.94
6. Step 6: Final answer
   x = 10,848.83