Finding the Fourth Proportional to 443,610,931.24, 612,142,002.34 and 245,368,159.28

Step by Step Solution

1. Step 1: Write the proportion equation
   443,610,931.24 : 612,142,002.34 = 245,368,159.28 : x
2. Step 2: Convert to fraction form
   443,610,931.24/612,142,002.34 = 245,368,159.28/x
3. Step 3: Cross multiply
   443,610,931.24x = 612,142,002.34 × 245,368,159.28
4. Step 4: Simplify right side
   443,610,931.24x = 150,200,156,332,139,264
5. Step 5: Solve for x
   x = 150,200,156,332,139,264/443,610,931.24
6. Step 6: Final answer
   x = 338,585,336.28