Finding the Fourth Proportional to 78,937.25, 108,964.56 and 48,734.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,937.25 : 108,964.56 = 48,734.78 : x
2. Step 2: Convert to fraction form
   78,937.25/108,964.56 = 48,734.78/x
3. Step 3: Cross multiply
   78,937.25x = 108,964.56 × 48,734.78
4. Step 4: Simplify right side
   78,937.25x = 5,310,363,314.57
5. Step 5: Solve for x
   x = 5,310,363,314.57/78,937.25
6. Step 6: Final answer
   x = 67,273.23