Finding the Fourth Proportional to 443,632,910.30, 609,007,544.81 and 380,799,924.62

Step by Step Solution

1. Step 1: Write the proportion equation
   443,632,910.30 : 609,007,544.81 = 380,799,924.62 : x
2. Step 2: Convert to fraction form
   443,632,910.30/609,007,544.81 = 380,799,924.62/x
3. Step 3: Cross multiply
   443,632,910.30x = 609,007,544.81 × 380,799,924.62
4. Step 4: Simplify right side
   443,632,910.30x = 231,910,027,151,710,208
5. Step 5: Solve for x
   x = 231,910,027,151,710,208/443,632,910.30
6. Step 6: Final answer
   x = 522,752,081.21