Finding the Fourth Proportional to 600,347.91, 899,078.72 and 343,401.72

Step by Step Solution

1. Step 1: Write the proportion equation
   600,347.91 : 899,078.72 = 343,401.72 : x
2. Step 2: Convert to fraction form
   600,347.91/899,078.72 = 343,401.72/x
3. Step 3: Cross multiply
   600,347.91x = 899,078.72 × 343,401.72
4. Step 4: Simplify right side
   600,347.91x = 308,745,178,863.40
5. Step 5: Solve for x
   x = 308,745,178,863.40/600,347.91
6. Step 6: Final answer
   x = 514,277.09