Finding the Fourth Proportional to 215,033.72, 296,308.91 and 166,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   215,033.72 : 296,308.91 = 166,339.82 : x
2. Step 2: Convert to fraction form
   215,033.72/296,308.91 = 166,339.82/x
3. Step 3: Cross multiply
   215,033.72x = 296,308.91 × 166,339.82
4. Step 4: Simplify right side
   215,033.72x = 49,287,968,440.55
5. Step 5: Solve for x
   x = 49,287,968,440.55/215,033.72
6. Step 6: Final answer
   x = 229,210.42