Finding the Fourth Proportional to 118,793.63, 163,928.31 and 65,069.29

Step by Step Solution

1. Step 1: Write the proportion equation
   118,793.63 : 163,928.31 = 65,069.29 : x
2. Step 2: Convert to fraction form
   118,793.63/163,928.31 = 65,069.29/x
3. Step 3: Cross multiply
   118,793.63x = 163,928.31 × 65,069.29
4. Step 4: Simplify right side
   118,793.63x = 10,666,697,922.96
5. Step 5: Solve for x
   x = 10,666,697,922.96/118,793.63
6. Step 6: Final answer
   x = 89,791.84