Finding the Fourth Proportional to 118,783.01, 163,920.59 and 65,069.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,783.01 : 163,920.59 = 65,069.96 : x
2. Step 2: Convert to fraction form
   118,783.01/163,920.59 = 65,069.96/x
3. Step 3: Cross multiply
   118,783.01x = 163,920.59 × 65,069.96
4. Step 4: Simplify right side
   118,783.01x = 10,666,305,333.54
5. Step 5: Solve for x
   x = 10,666,305,333.54/118,783.01
6. Step 6: Final answer
   x = 89,796.56