Finding the Fourth Proportional to 118,665.98, 163,777.38 and 67,678.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,665.98 : 163,777.38 = 67,678.82 : x
2. Step 2: Convert to fraction form
   118,665.98/163,777.38 = 67,678.82/x
3. Step 3: Cross multiply
   118,665.98x = 163,777.38 × 67,678.82
4. Step 4: Simplify right side
   118,665.98x = 11,084,259,821.09
5. Step 5: Solve for x
   x = 11,084,259,821.09/118,665.98
6. Step 6: Final answer
   x = 93,407.22