Finding the Fourth Proportional to 118,804.10, 163,949.87 and 65,087.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,804.10 : 163,949.87 = 65,087.96 : x
2. Step 2: Convert to fraction form
   118,804.10/163,949.87 = 65,087.96/x
3. Step 3: Cross multiply
   118,804.10x = 163,949.87 × 65,087.96
4. Step 4: Simplify right side
   118,804.10x = 10,671,162,580.57
5. Step 5: Solve for x
   x = 10,671,162,580.57/118,804.10
6. Step 6: Final answer
   x = 89,821.50