Finding the Fourth Proportional to 365,213,499.34, 503,940,819.24 and 222,086,246.62

Step by Step Solution

1. Step 1: Write the proportion equation
   365,213,499.34 : 503,940,819.24 = 222,086,246.62 : x
2. Step 2: Convert to fraction form
   365,213,499.34/503,940,819.24 = 222,086,246.62/x
3. Step 3: Cross multiply
   365,213,499.34x = 503,940,819.24 × 222,086,246.62
4. Step 4: Simplify right side
   365,213,499.34x = 111,918,325,063,619,488
5. Step 5: Solve for x
   x = 111,918,325,063,619,488/365,213,499.34
6. Step 6: Final answer
   x = 306,446,298.58