Finding the Fourth Proportional to 78,456.65, 108,294.95 and 50,162.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,456.65 : 108,294.95 = 50,162.45 : x
2. Step 2: Convert to fraction form
   78,456.65/108,294.95 = 50,162.45/x
3. Step 3: Cross multiply
   78,456.65x = 108,294.95 × 50,162.45
4. Step 4: Simplify right side
   78,456.65x = 5,432,340,014.63
5. Step 5: Solve for x
   x = 5,432,340,014.63/78,456.65
6. Step 6: Final answer
   x = 69,240.02