Finding the Fourth Proportional to 406,061,673.48, 560,365,819.74 and 220,422,814.92

Step by Step Solution

1. Step 1: Write the proportion equation
   406,061,673.48 : 560,365,819.74 = 220,422,814.92 : x
2. Step 2: Convert to fraction form
   406,061,673.48/560,365,819.74 = 220,422,814.92/x
3. Step 3: Cross multiply
   406,061,673.48x = 560,365,819.74 × 220,422,814.92
4. Step 4: Simplify right side
   406,061,673.48x = 123,517,411,372,044,096
5. Step 5: Solve for x
   x = 123,517,411,372,044,096/406,061,673.48
6. Step 6: Final answer
   x = 304,183,870.18