Finding the Fourth Proportional to 118,037.10, 162,891.20 and 64,322.10

Step by Step Solution

1. Step 1: Write the proportion equation
   118,037.10 : 162,891.20 = 64,322.10 : x
2. Step 2: Convert to fraction form
   118,037.10/162,891.20 = 64,322.10/x
3. Step 3: Cross multiply
   118,037.10x = 162,891.20 × 64,322.10
4. Step 4: Simplify right side
   118,037.10x = 10,477,504,055.52
5. Step 5: Solve for x
   x = 10,477,504,055.52/118,037.10
6. Step 6: Final answer
   x = 88,764.50