Finding the Fourth Proportional to 117,579.59, 162,261.59 and 63,865.65

Step by Step Solution

1. Step 1: Write the proportion equation
   117,579.59 : 162,261.59 = 63,865.65 : x
2. Step 2: Convert to fraction form
   117,579.59/162,261.59 = 63,865.65/x
3. Step 3: Cross multiply
   117,579.59x = 162,261.59 × 63,865.65
4. Step 4: Simplify right side
   117,579.59x = 10,362,941,915.38
5. Step 5: Solve for x
   x = 10,362,941,915.38/117,579.59
6. Step 6: Final answer
   x = 88,135.55