Finding the Fourth Proportional to 76,245.59, 105,203.89 and 47,934.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,245.59 : 105,203.89 = 47,934.83 : x
2. Step 2: Convert to fraction form
   76,245.59/105,203.89 = 47,934.83/x
3. Step 3: Cross multiply
   76,245.59x = 105,203.89 × 47,934.83
4. Step 4: Simplify right side
   76,245.59x = 5,042,930,582.49
5. Step 5: Solve for x
   x = 5,042,930,582.49/76,245.59
6. Step 6: Final answer
   x = 66,140.62