Finding the Fourth Proportional to 78,116.22, 107,800.38 and 42,306.36

Step by Step Solution

1. Step 1: Write the proportion equation
   78,116.22 : 107,800.38 = 42,306.36 : x
2. Step 2: Convert to fraction form
   78,116.22/107,800.38 = 42,306.36/x
3. Step 3: Cross multiply
   78,116.22x = 107,800.38 × 42,306.36
4. Step 4: Simplify right side
   78,116.22x = 4,560,641,684.42
5. Step 5: Solve for x
   x = 4,560,641,684.42/78,116.22
6. Step 6: Final answer
   x = 58,382.77