Finding the Fourth Proportional to 114,533.22, 158,055.69 and 64,231.78

Step by Step Solution

1. Step 1: Write the proportion equation
   114,533.22 : 158,055.69 = 64,231.78 : x
2. Step 2: Convert to fraction form
   114,533.22/158,055.69 = 64,231.78/x
3. Step 3: Cross multiply
   114,533.22x = 158,055.69 × 64,231.78
4. Step 4: Simplify right side
   114,533.22x = 10,152,198,307.83
5. Step 5: Solve for x
   x = 10,152,198,307.83/114,533.22
6. Step 6: Final answer
   x = 88,639.77