Finding the Fourth Proportional to 118,002.83, 162,843.41 and 64,287.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,002.83 : 162,843.41 = 64,287.68 : x
2. Step 2: Convert to fraction form
   118,002.83/162,843.41 = 64,287.68/x
3. Step 3: Cross multiply
   118,002.83x = 162,843.41 × 64,287.68
4. Step 4: Simplify right side
   118,002.83x = 10,468,824,378.69
5. Step 5: Solve for x
   x = 10,468,824,378.69/118,002.83
6. Step 6: Final answer
   x = 88,716.73