Finding the Fourth Proportional to 83,155.28, 114,721.72 and 51,268.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,155.28 : 114,721.72 = 51,268.82 : x
2. Step 2: Convert to fraction form
   83,155.28/114,721.72 = 51,268.82/x
3. Step 3: Cross multiply
   83,155.28x = 114,721.72 × 51,268.82
4. Step 4: Simplify right side
   83,155.28x = 5,881,646,510.99
5. Step 5: Solve for x
   x = 5,881,646,510.99/83,155.28
6. Step 6: Final answer
   x = 70,730.89