Finding the Fourth Proportional to 514,826.42, 709,672.91 and 361,434.29

Step by Step Solution

1. Step 1: Write the proportion equation
   514,826.42 : 709,672.91 = 361,434.29 : x
2. Step 2: Convert to fraction form
   514,826.42/709,672.91 = 361,434.29/x
3. Step 3: Cross multiply
   514,826.42x = 709,672.91 × 361,434.29
4. Step 4: Simplify right side
   514,826.42x = 256,500,119,002.55
5. Step 5: Solve for x
   x = 256,500,119,002.55/514,826.42
6. Step 6: Final answer
   x = 498,226.41