Finding the Fourth Proportional to 83,608.76, 115,379.98 and 47,799.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,608.76 : 115,379.98 = 47,799.56 : x
2. Step 2: Convert to fraction form
   83,608.76/115,379.98 = 47,799.56/x
3. Step 3: Cross multiply
   83,608.76x = 115,379.98 × 47,799.56
4. Step 4: Simplify right side
   83,608.76x = 5,515,112,276.81
5. Step 5: Solve for x
   x = 5,515,112,276.81/83,608.76
6. Step 6: Final answer
   x = 65,963.33