Finding the Fourth Proportional to 118,769.10, 163,901.40 and 65,055.02

Step by Step Solution

1. Step 1: Write the proportion equation
   118,769.10 : 163,901.40 = 65,055.02 : x
2. Step 2: Convert to fraction form
   118,769.10/163,901.40 = 65,055.02/x
3. Step 3: Cross multiply
   118,769.10x = 163,901.40 × 65,055.02
4. Step 4: Simplify right side
   118,769.10x = 10,662,608,855.03
5. Step 5: Solve for x
   x = 10,662,608,855.03/118,769.10
6. Step 6: Final answer
   x = 89,775.95