Finding the Fourth Proportional to 567,144.69, 850,967.16 and 300,839.86

Step by Step Solution

1. Step 1: Write the proportion equation
   567,144.69 : 850,967.16 = 300,839.86 : x
2. Step 2: Convert to fraction form
   567,144.69/850,967.16 = 300,839.86/x
3. Step 3: Cross multiply
   567,144.69x = 850,967.16 × 300,839.86
4. Step 4: Simplify right side
   567,144.69x = 256,004,841,279.00
5. Step 5: Solve for x
   x = 256,004,841,279.00/567,144.69
6. Step 6: Final answer
   x = 451,392.47