Finding the Fourth Proportional to 118,081.81, 162,949.65 and 64,367.88

Step by Step Solution

1. Step 1: Write the proportion equation
   118,081.81 : 162,949.65 = 64,367.88 : x
2. Step 2: Convert to fraction form
   118,081.81/162,949.65 = 64,367.88/x
3. Step 3: Cross multiply
   118,081.81x = 162,949.65 × 64,367.88
4. Step 4: Simplify right side
   118,081.81x = 10,488,723,517.24
5. Step 5: Solve for x
   x = 10,488,723,517.24/118,081.81
6. Step 6: Final answer
   x = 88,825.90