Finding the Fourth Proportional to 78,769.98, 108,705.24 and 42,962.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,769.98 : 108,705.24 = 42,962.04 : x
2. Step 2: Convert to fraction form
   78,769.98/108,705.24 = 42,962.04/x
3. Step 3: Cross multiply
   78,769.98x = 108,705.24 × 42,962.04
4. Step 4: Simplify right side
   78,769.98x = 4,670,198,869.09
5. Step 5: Solve for x
   x = 4,670,198,869.09/78,769.98
6. Step 6: Final answer
   x = 59,289.07