Finding the Fourth Proportional to 78,793.40, 108,736.35 and 42,984.65

Step by Step Solution

1. Step 1: Write the proportion equation
   78,793.40 : 108,736.35 = 42,984.65 : x
2. Step 2: Convert to fraction form
   78,793.40/108,736.35 = 42,984.65/x
3. Step 3: Cross multiply
   78,793.40x = 108,736.35 × 42,984.65
4. Step 4: Simplify right side
   78,793.40x = 4,673,993,947.03
5. Step 5: Solve for x
   x = 4,673,993,947.03/78,793.40
6. Step 6: Final answer
   x = 59,319.61