Finding the Fourth Proportional to 215,444.72, 323,218.32 and 108,566.04

Step by Step Solution

1. Step 1: Write the proportion equation
   215,444.72 : 323,218.32 = 108,566.04 : x
2. Step 2: Convert to fraction form
   215,444.72/323,218.32 = 108,566.04/x
3. Step 3: Cross multiply
   215,444.72x = 323,218.32 × 108,566.04
4. Step 4: Simplify right side
   215,444.72x = 35,090,533,057.85
5. Step 5: Solve for x
   x = 35,090,533,057.85/215,444.72
6. Step 6: Final answer
   x = 162,874.88