Finding the Fourth Proportional to 40,287.82, 60,426.15 and 10,708.06

Step by Step Solution

1. Step 1: Write the proportion equation
   40,287.82 : 60,426.15 = 10,708.06 : x
2. Step 2: Convert to fraction form
   40,287.82/60,426.15 = 10,708.06/x
3. Step 3: Cross multiply
   40,287.82x = 60,426.15 × 10,708.06
4. Step 4: Simplify right side
   40,287.82x = 647,046,839.77
5. Step 5: Solve for x
   x = 647,046,839.77/40,287.82
6. Step 6: Final answer
   x = 16,060.61