Finding the Fourth Proportional to 392,615,096.72, 541,776,974.76 and 227,613,295.04

Step by Step Solution

1. Step 1: Write the proportion equation
   392,615,096.72 : 541,776,974.76 = 227,613,295.04 : x
2. Step 2: Convert to fraction form
   392,615,096.72/541,776,974.76 = 227,613,295.04/x
3. Step 3: Cross multiply
   392,615,096.72x = 541,776,974.76 × 227,613,295.04
4. Step 4: Simplify right side
   392,615,096.72x = 123,315,642,401,926,512
5. Step 5: Solve for x
   x = 123,315,642,401,926,512/392,615,096.72
6. Step 6: Final answer
   x = 314,087,877.50