Finding the Fourth Proportional to 514,146.72, 709,529.72 and 296,234.96

Step by Step Solution

1. Step 1: Write the proportion equation
   514,146.72 : 709,529.72 = 296,234.96 : x
2. Step 2: Convert to fraction form
   514,146.72/709,529.72 = 296,234.96/x
3. Step 3: Cross multiply
   514,146.72x = 709,529.72 × 296,234.96
4. Step 4: Simplify right side
   514,146.72x = 210,187,508,223.01
5. Step 5: Solve for x
   x = 210,187,508,223.01/514,146.72
6. Step 6: Final answer
   x = 408,808.42