Finding the Fourth Proportional to 117,674.38, 162,390.85 and 63,959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,674.38 : 162,390.85 = 63,959.25 : x
2. Step 2: Convert to fraction form
   117,674.38/162,390.85 = 63,959.25/x
3. Step 3: Cross multiply
   117,674.38x = 162,390.85 × 63,959.25
4. Step 4: Simplify right side
   117,674.38x = 10,386,397,601.82
5. Step 5: Solve for x
   x = 10,386,397,601.82/117,674.38
6. Step 6: Final answer
   x = 88,263.88