Finding the Fourth Proportional to 567,587.89, 783,277.40 and 309,462.73

Step by Step Solution

1. Step 1: Write the proportion equation
   567,587.89 : 783,277.40 = 309,462.73 : x
2. Step 2: Convert to fraction form
   567,587.89/783,277.40 = 309,462.73/x
3. Step 3: Cross multiply
   567,587.89x = 783,277.40 × 309,462.73
4. Step 4: Simplify right side
   567,587.89x = 242,395,158,114.89
5. Step 5: Solve for x
   x = 242,395,158,114.89/567,587.89
6. Step 6: Final answer
   x = 427,061.89