Finding the Fourth Proportional to 117,636.85, 162,334.52 and 63,920.71

Step by Step Solution

1. Step 1: Write the proportion equation
   117,636.85 : 162,334.52 = 63,920.71 : x
2. Step 2: Convert to fraction form
   117,636.85/162,334.52 = 63,920.71/x
3. Step 3: Cross multiply
   117,636.85x = 162,334.52 × 63,920.71
4. Step 4: Simplify right side
   117,636.85x = 10,376,538,151.46
5. Step 5: Solve for x
   x = 10,376,538,151.46/117,636.85
6. Step 6: Final answer
   x = 88,208.23