Finding the Fourth Proportional to 117,949.76, 162,773.57 and 64,237.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,949.76 : 162,773.57 = 64,237.69 : x
2. Step 2: Convert to fraction form
   117,949.76/162,773.57 = 64,237.69/x
3. Step 3: Cross multiply
   117,949.76x = 162,773.57 × 64,237.69
4. Step 4: Simplify right side
   117,949.76x = 10,456,198,129.85
5. Step 5: Solve for x
   x = 10,456,198,129.85/117,949.76
6. Step 6: Final answer
   x = 88,649.59