Finding the Fourth Proportional to 83,383.81, 115,062.35 and 49,386.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,383.81 : 115,062.35 = 49,386.28 : x
2. Step 2: Convert to fraction form
   83,383.81/115,062.35 = 49,386.28/x
3. Step 3: Cross multiply
   83,383.81x = 115,062.35 × 49,386.28
4. Step 4: Simplify right side
   83,383.81x = 5,682,501,434.56
5. Step 5: Solve for x
   x = 5,682,501,434.56/83,383.81
6. Step 6: Final answer
   x = 68,148.74