Finding the Fourth Proportional to 78,770.27, 108,704.84 and 42,963.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,770.27 : 108,704.84 = 42,963.62 : x
2. Step 2: Convert to fraction form
   78,770.27/108,704.84 = 42,963.62/x
3. Step 3: Cross multiply
   78,770.27x = 108,704.84 × 42,963.62
4. Step 4: Simplify right side
   78,770.27x = 4,670,352,679.58
5. Step 5: Solve for x
   x = 4,670,352,679.58/78,770.27
6. Step 6: Final answer
   x = 59,290.80