Finding the Fourth Proportional to 567,259.82, 782,795.76 and 309,131.29

Step by Step Solution

1. Step 1: Write the proportion equation
   567,259.82 : 782,795.76 = 309,131.29 : x
2. Step 2: Convert to fraction form
   567,259.82/782,795.76 = 309,131.29/x
3. Step 3: Cross multiply
   567,259.82x = 782,795.76 × 309,131.29
4. Step 4: Simplify right side
   567,259.82x = 241,986,662,297.58
5. Step 5: Solve for x
   x = 241,986,662,297.58/567,259.82
6. Step 6: Final answer
   x = 426,588.76