Finding the Fourth Proportional to 429,344.15, 592,086.91 and 312,951.83

Step by Step Solution

1. Step 1: Write the proportion equation
   429,344.15 : 592,086.91 = 312,951.83 : x
2. Step 2: Convert to fraction form
   429,344.15/592,086.91 = 312,951.83/x
3. Step 3: Cross multiply
   429,344.15x = 592,086.91 × 312,951.83
4. Step 4: Simplify right side
   429,344.15x = 185,294,682,003.55
5. Step 5: Solve for x
   x = 185,294,682,003.55/429,344.15
6. Step 6: Final answer
   x = 431,576.12