Finding the Fourth Proportional to 83,198.16, 114,818.18 and 47,399.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,198.16 : 114,818.18 = 47,399.81 : x
2. Step 2: Convert to fraction form
   83,198.16/114,818.18 = 47,399.81/x
3. Step 3: Cross multiply
   83,198.16x = 114,818.18 × 47,399.81
4. Step 4: Simplify right side
   83,198.16x = 5,442,359,105.46
5. Step 5: Solve for x
   x = 5,442,359,105.46/83,198.16
6. Step 6: Final answer
   x = 65,414.42