Finding the Fourth Proportional to 567,410.83, 783,003.38 and 309,282.09

Step by Step Solution

1. Step 1: Write the proportion equation
   567,410.83 : 783,003.38 = 309,282.09 : x
2. Step 2: Convert to fraction form
   567,410.83/783,003.38 = 309,282.09/x
3. Step 3: Cross multiply
   567,410.83x = 783,003.38 × 309,282.09
4. Step 4: Simplify right side
   567,410.83x = 242,168,920,297.05
5. Step 5: Solve for x
   x = 242,168,920,297.05/567,410.83
6. Step 6: Final answer
   x = 426,796.44