Finding the Fourth Proportional to 560,801.09, 773,901.56 and 306,152.27

Step by Step Solution

1. Step 1: Write the proportion equation
   560,801.09 : 773,901.56 = 306,152.27 : x
2. Step 2: Convert to fraction form
   560,801.09/773,901.56 = 306,152.27/x
3. Step 3: Cross multiply
   560,801.09x = 773,901.56 × 306,152.27
4. Step 4: Simplify right side
   560,801.09x = 236,931,721,404.89
5. Step 5: Solve for x
   x = 236,931,721,404.89/560,801.09
6. Step 6: Final answer
   x = 422,487.99