Finding the Fourth Proportional to 118,774.14, 163,908.35 and 65,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   118,774.14 : 163,908.35 = 65,061.09 : x
2. Step 2: Convert to fraction form
   118,774.14/163,908.35 = 65,061.09/x
3. Step 3: Cross multiply
   118,774.14x = 163,908.35 × 65,061.09
4. Step 4: Simplify right side
   118,774.14x = 10,664,055,829.78
5. Step 5: Solve for x
   x = 10,664,055,829.78/118,774.14
6. Step 6: Final answer
   x = 89,784.33