Finding the Fourth Proportional to 118,123.36, 163,009.20 and 67,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,123.36 : 163,009.20 = 67,822.72 : x
2. Step 2: Convert to fraction form
   118,123.36/163,009.20 = 67,822.72/x
3. Step 3: Cross multiply
   118,123.36x = 163,009.20 × 67,822.72
4. Step 4: Simplify right side
   118,123.36x = 11,055,727,329.02
5. Step 5: Solve for x
   x = 11,055,727,329.02/118,123.36
6. Step 6: Final answer
   x = 93,594.76