Finding the Fourth Proportional to 215,456.16, 297,348.24 and 126,060.96

Step by Step Solution

1. Step 1: Write the proportion equation
   215,456.16 : 297,348.24 = 126,060.96 : x
2. Step 2: Convert to fraction form
   215,456.16/297,348.24 = 126,060.96/x
3. Step 3: Cross multiply
   215,456.16x = 297,348.24 × 126,060.96
4. Step 4: Simplify right side
   215,456.16x = 37,484,004,588.71
5. Step 5: Solve for x
   x = 37,484,004,588.71/215,456.16
6. Step 6: Final answer
   x = 173,975.09