Finding the Fourth Proportional to 67,796.60, 93,571.20 and 39,111.26

Step by Step Solution

1. Step 1: Write the proportion equation
   67,796.60 : 93,571.20 = 39,111.26 : x
2. Step 2: Convert to fraction form
   67,796.60/93,571.20 = 39,111.26/x
3. Step 3: Cross multiply
   67,796.60x = 93,571.20 × 39,111.26
4. Step 4: Simplify right side
   67,796.60x = 3,659,687,063.86
5. Step 5: Solve for x
   x = 3,659,687,063.86/67,796.60
6. Step 6: Final answer
   x = 53,980.40