Finding the Fourth Proportional to 404,835,932.72, 558,673,850.76 and 219,197,074.16

Step by Step Solution

1. Step 1: Write the proportion equation
   404,835,932.72 : 558,673,850.76 = 219,197,074.16 : x
2. Step 2: Convert to fraction form
   404,835,932.72/558,673,850.76 = 219,197,074.16/x
3. Step 3: Cross multiply
   404,835,932.72x = 558,673,850.76 × 219,197,074.16
4. Step 4: Simplify right side
   404,835,932.72x = 122,459,673,496,292,496
5. Step 5: Solve for x
   x = 122,459,673,496,292,496/404,835,932.72
6. Step 6: Final answer
   x = 302,492,105.07