Finding the Fourth Proportional to 68,111.68, 93,986.76 and 37,892.20

Step by Step Solution

1. Step 1: Write the proportion equation
   68,111.68 : 93,986.76 = 37,892.20 : x
2. Step 2: Convert to fraction form
   68,111.68/93,986.76 = 37,892.20/x
3. Step 3: Cross multiply
   68,111.68x = 93,986.76 × 37,892.20
4. Step 4: Simplify right side
   68,111.68x = 3,561,365,107.27
5. Step 5: Solve for x
   x = 3,561,365,107.27/68,111.68
6. Step 6: Final answer
   x = 52,287.14