Finding the Fourth Proportional to 83,540.82, 115,275.70 and 47,733.15

Step by Step Solution

1. Step 1: Write the proportion equation
   83,540.82 : 115,275.70 = 47,733.15 : x
2. Step 2: Convert to fraction form
   83,540.82/115,275.70 = 47,733.15/x
3. Step 3: Cross multiply
   83,540.82x = 115,275.70 × 47,733.15
4. Step 4: Simplify right side
   83,540.82x = 5,502,472,279.46
5. Step 5: Solve for x
   x = 5,502,472,279.46/83,540.82
6. Step 6: Final answer
   x = 65,865.67