Finding the Fourth Proportional to 443,610,944.04, 612,142,019.94 and 245,368,172.08

Step by Step Solution

1. Step 1: Write the proportion equation
   443,610,944.04 : 612,142,019.94 = 245,368,172.08 : x
2. Step 2: Convert to fraction form
   443,610,944.04/612,142,019.94 = 245,368,172.08/x
3. Step 3: Cross multiply
   443,610,944.04x = 612,142,019.94 × 245,368,172.08
4. Step 4: Simplify right side
   443,610,944.04x = 150,200,168,486,036,736
5. Step 5: Solve for x
   x = 150,200,168,486,036,736/443,610,944.04
6. Step 6: Final answer
   x = 338,585,353.91