Finding the Fourth Proportional to 78,762.33, 108,630.59 and 50,470.65

Step by Step Solution

1. Step 1: Write the proportion equation
   78,762.33 : 108,630.59 = 50,470.65 : x
2. Step 2: Convert to fraction form
   78,762.33/108,630.59 = 50,470.65/x
3. Step 3: Cross multiply
   78,762.33x = 108,630.59 × 50,470.65
4. Step 4: Simplify right side
   78,762.33x = 5,482,656,234.83
5. Step 5: Solve for x
   x = 5,482,656,234.83/78,762.33
6. Step 6: Final answer
   x = 69,610.13