Finding the Fourth Proportional to 406,382,411.06, 560,807,300.49 and 220,743,571.94

Step by Step Solution

1. Step 1: Write the proportion equation
   406,382,411.06 : 560,807,300.49 = 220,743,571.94 : x
2. Step 2: Convert to fraction form
   406,382,411.06/560,807,300.49 = 220,743,571.94/x
3. Step 3: Cross multiply
   406,382,411.06x = 560,807,300.49 × 220,743,571.94
4. Step 4: Simplify right side
   406,382,411.06x = 123,794,606,680,191,520
5. Step 5: Solve for x
   x = 123,794,606,680,191,520/406,382,411.06
6. Step 6: Final answer
   x = 304,625,897.46