Finding the Fourth Proportional to 118,895.72, 164,071.73 and 65,179.55

Step by Step Solution

1. Step 1: Write the proportion equation
   118,895.72 : 164,071.73 = 65,179.55 : x
2. Step 2: Convert to fraction form
   118,895.72/164,071.73 = 65,179.55/x
3. Step 3: Cross multiply
   118,895.72x = 164,071.73 × 65,179.55
4. Step 4: Simplify right side
   118,895.72x = 10,694,122,102.25
5. Step 5: Solve for x
   x = 10,694,122,102.25/118,895.72
6. Step 6: Final answer
   x = 89,945.40