Finding the Fourth Proportional to 494,269,328.48, 682,046,592.71 and 293,291,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   494,269,328.48 : 682,046,592.71 = 293,291,572.82 : x
2. Step 2: Convert to fraction form
   494,269,328.48/682,046,592.71 = 293,291,572.82/x
3. Step 3: Cross multiply
   494,269,328.48x = 682,046,592.71 × 293,291,572.82
4. Step 4: Simplify right side
   494,269,328.48x = 200,038,517,907,561,152
5. Step 5: Solve for x
   x = 200,038,517,907,561,152/494,269,328.48
6. Step 6: Final answer
   x = 404,715,620.38