Finding the Fourth Proportional to 118,168.11, 163,085.78 and 67,188.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,168.11 : 163,085.78 = 67,188.48 : x
2. Step 2: Convert to fraction form
   118,168.11/163,085.78 = 67,188.48/x
3. Step 3: Cross multiply
   118,168.11x = 163,085.78 × 67,188.48
4. Step 4: Simplify right side
   118,168.11x = 10,957,485,667.81
5. Step 5: Solve for x
   x = 10,957,485,667.81/118,168.11
6. Step 6: Final answer
   x = 92,727.94