Finding the Fourth Proportional to 118,787.72, 163,927.12 and 65,074.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,787.72 : 163,927.12 = 65,074.68 : x
2. Step 2: Convert to fraction form
   118,787.72/163,927.12 = 65,074.68/x
3. Step 3: Cross multiply
   118,787.72x = 163,927.12 × 65,074.68
4. Step 4: Simplify right side
   118,787.72x = 10,667,504,877.32
5. Step 5: Solve for x
   x = 10,667,504,877.32/118,787.72
6. Step 6: Final answer
   x = 89,803.09