Finding the Fourth Proportional to 118,793.12, 163,927.62 and 65,068.79

Step by Step Solution

1. Step 1: Write the proportion equation
   118,793.12 : 163,927.62 = 65,068.79 : x
2. Step 2: Convert to fraction form
   118,793.12/163,927.62 = 65,068.79/x
3. Step 3: Cross multiply
   118,793.12x = 163,927.62 × 65,068.79
4. Step 4: Simplify right side
   118,793.12x = 10,666,571,061.34
5. Step 5: Solve for x
   x = 10,666,571,061.34/118,793.12
6. Step 6: Final answer
   x = 89,791.15