Finding the Fourth Proportional to 218,399.83, 327,587.42 and 96,785.34

Step by Step Solution

1. Step 1: Write the proportion equation
   218,399.83 : 327,587.42 = 96,785.34 : x
2. Step 2: Convert to fraction form
   218,399.83/327,587.42 = 96,785.34/x
3. Step 3: Cross multiply
   218,399.83x = 327,587.42 × 96,785.34
4. Step 4: Simplify right side
   218,399.83x = 31,705,659,340.50
5. Step 5: Solve for x
   x = 31,705,659,340.50/218,399.83
6. Step 6: Final answer
   x = 145,172.55