Finding the Fourth Proportional to 67,860.52, 93,637.32 and 38,786.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,860.52 : 93,637.32 = 38,786.80 : x
2. Step 2: Convert to fraction form
   67,860.52/93,637.32 = 38,786.80/x
3. Step 3: Cross multiply
   67,860.52x = 93,637.32 × 38,786.80
4. Step 4: Simplify right side
   67,860.52x = 3,631,892,003.38
5. Step 5: Solve for x
   x = 3,631,892,003.38/67,860.52
6. Step 6: Final answer
   x = 53,519.96