Finding the Fourth Proportional to 406,016,171.34, 560,302,883.32 and 220,377,225.42

Step by Step Solution

1. Step 1: Write the proportion equation
   406,016,171.34 : 560,302,883.32 = 220,377,225.42 : x
2. Step 2: Convert to fraction form
   406,016,171.34/560,302,883.32 = 220,377,225.42/x
3. Step 3: Cross multiply
   406,016,171.34x = 560,302,883.32 × 220,377,225.42
4. Step 4: Simplify right side
   406,016,171.34x = 123,477,994,820,887,600
5. Step 5: Solve for x
   x = 123,477,994,820,887,600/406,016,171.34
6. Step 6: Final answer
   x = 304,120,878.77