Finding the Fourth Proportional to 76,108.15, 105,016.98 and 47,793.79

Step by Step Solution

1. Step 1: Write the proportion equation
   76,108.15 : 105,016.98 = 47,793.79 : x
2. Step 2: Convert to fraction form
   76,108.15/105,016.98 = 47,793.79/x
3. Step 3: Cross multiply
   76,108.15x = 105,016.98 × 47,793.79
4. Step 4: Simplify right side
   76,108.15x = 5,019,159,488.55
5. Step 5: Solve for x
   x = 5,019,159,488.55/76,108.15
6. Step 6: Final answer
   x = 65,947.73