Finding the Fourth Proportional to 78,734.70, 108,653.94 and 42,924.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,734.70 : 108,653.94 = 42,924.78 : x
2. Step 2: Convert to fraction form
   78,734.70/108,653.94 = 42,924.78/x
3. Step 3: Cross multiply
   78,734.70x = 108,653.94 × 42,924.78
4. Step 4: Simplify right side
   78,734.70x = 4,663,946,470.63
5. Step 5: Solve for x
   x = 4,663,946,470.63/78,734.70
6. Step 6: Final answer
   x = 59,236.23