Finding the Fourth Proportional to 118,767.55, 163,899.24 and 65,054.49

Step by Step Solution

1. Step 1: Write the proportion equation
   118,767.55 : 163,899.24 = 65,054.49 : x
2. Step 2: Convert to fraction form
   118,767.55/163,899.24 = 65,054.49/x
3. Step 3: Cross multiply
   118,767.55x = 163,899.24 × 65,054.49
4. Step 4: Simplify right side
   118,767.55x = 10,662,381,469.59
5. Step 5: Solve for x
   x = 10,662,381,469.59/118,767.55
6. Step 6: Final answer
   x = 89,775.21