Finding the Fourth Proportional to 113,621.82, 156,831.03 and 65,885.82

Step by Step Solution

1. Step 1: Write the proportion equation
   113,621.82 : 156,831.03 = 65,885.82 : x
2. Step 2: Convert to fraction form
   113,621.82/156,831.03 = 65,885.82/x
3. Step 3: Cross multiply
   113,621.82x = 156,831.03 × 65,885.82
4. Step 4: Simplify right side
   113,621.82x = 10,332,941,012.99
5. Step 5: Solve for x
   x = 10,332,941,012.99/113,621.82
6. Step 6: Final answer
   x = 90,941.52