Finding the Fourth Proportional to 116,818.91, 161,199.02 and 68,413.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,818.91 : 161,199.02 = 68,413.31 : x
2. Step 2: Convert to fraction form
   116,818.91/161,199.02 = 68,413.31/x
3. Step 3: Cross multiply
   116,818.91x = 161,199.02 × 68,413.31
4. Step 4: Simplify right side
   116,818.91x = 11,028,158,184.89
5. Step 5: Solve for x
   x = 11,028,158,184.89/116,818.91
6. Step 6: Final answer
   x = 94,403.88