Finding the Fourth Proportional to 83,542.33, 115,290.71 and 47,738.17

Step by Step Solution

1. Step 1: Write the proportion equation
   83,542.33 : 115,290.71 = 47,738.17 : x
2. Step 2: Convert to fraction form
   83,542.33/115,290.71 = 47,738.17/x
3. Step 3: Cross multiply
   83,542.33x = 115,290.71 × 47,738.17
4. Step 4: Simplify right side
   83,542.33x = 5,503,767,513.40
5. Step 5: Solve for x
   x = 5,503,767,513.40/83,542.33
6. Step 6: Final answer
   x = 65,879.99