Finding the Fourth Proportional to 429,951.90, 592,307.99 and 300,648.56

Step by Step Solution

1. Step 1: Write the proportion equation
   429,951.90 : 592,307.99 = 300,648.56 : x
2. Step 2: Convert to fraction form
   429,951.90/592,307.99 = 300,648.56/x
3. Step 3: Cross multiply
   429,951.90x = 592,307.99 × 300,648.56
4. Step 4: Simplify right side
   429,951.90x = 178,076,541,285.98
5. Step 5: Solve for x
   x = 178,076,541,285.98/429,951.90
6. Step 6: Final answer
   x = 414,177.83