Finding the Fourth Proportional to 429,273.50, 592,059.38 and 380,267.55

Step by Step Solution

1. Step 1: Write the proportion equation
   429,273.50 : 592,059.38 = 380,267.55 : x
2. Step 2: Convert to fraction form
   429,273.50/592,059.38 = 380,267.55/x
3. Step 3: Cross multiply
   429,273.50x = 592,059.38 × 380,267.55
4. Step 4: Simplify right side
   429,273.50x = 225,140,967,985.78
5. Step 5: Solve for x
   x = 225,140,967,985.78/429,273.50
6. Step 6: Final answer
   x = 524,469.76