Finding the Fourth Proportional to 443,611,016.22, 612,142,119.30 and 245,368,244.70

Step by Step Solution

1. Step 1: Write the proportion equation
   443,611,016.22 : 612,142,119.30 = 245,368,244.70 : x
2. Step 2: Convert to fraction form
   443,611,016.22/612,142,119.30 = 245,368,244.70/x
3. Step 3: Cross multiply
   443,611,016.22x = 612,142,119.30 × 245,368,244.70
4. Step 4: Simplify right side
   443,611,016.22x = 150,200,237,319,578,976
5. Step 5: Solve for x
   x = 150,200,237,319,578,976/443,611,016.22
6. Step 6: Final answer
   x = 338,585,453.98