Finding the Fourth Proportional to 110,693.67, 152,780 and 67,680.24

Step by Step Solution

1. Step 1: Write the proportion equation
   110,693.67 : 152,780 = 67,680.24 : x
2. Step 2: Convert to fraction form
   110,693.67/152,780 = 67,680.24/x
3. Step 3: Cross multiply
   110,693.67x = 152,780 × 67,680.24
4. Step 4: Simplify right side
   110,693.67x = 10,340,187,067.20
5. Step 5: Solve for x
   x = 10,340,187,067.20/110,693.67
6. Step 6: Final answer
   x = 93,412.63