Finding the Fourth Proportional to 117,654.38, 162,364.59 and 63,940.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,654.38 : 162,364.59 = 63,940.25 : x
2. Step 2: Convert to fraction form
   117,654.38/162,364.59 = 63,940.25/x
3. Step 3: Cross multiply
   117,654.38x = 162,364.59 × 63,940.25
4. Step 4: Simplify right side
   117,654.38x = 10,381,631,344.22
5. Step 5: Solve for x
   x = 10,381,631,344.22/117,654.38
6. Step 6: Final answer
   x = 88,238.38