Finding the Fourth Proportional to 60,172.67, 82,987.83 and 38,665.91

Step by Step Solution

1. Step 1: Write the proportion equation
   60,172.67 : 82,987.83 = 38,665.91 : x
2. Step 2: Convert to fraction form
   60,172.67/82,987.83 = 38,665.91/x
3. Step 3: Cross multiply
   60,172.67x = 82,987.83 × 38,665.91
4. Step 4: Simplify right side
   60,172.67x = 3,208,799,550.94
5. Step 5: Solve for x
   x = 3,208,799,550.94/60,172.67
6. Step 6: Final answer
   x = 53,326.53