Finding the Fourth Proportional to 316,728,196.10, 444,024,136.30 and 316,728,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   316,728,196.10 : 444,024,136.30 = 316,728,196.10 : x
2. Step 2: Convert to fraction form
   316,728,196.10/444,024,136.30 = 316,728,196.10/x
3. Step 3: Cross multiply
   316,728,196.10x = 444,024,136.30 × 316,728,196.10
4. Step 4: Simplify right side
   316,728,196.10x = 140,634,963,715,159,536
5. Step 5: Solve for x
   x = 140,634,963,715,159,536/316,728,196.10
6. Step 6: Final answer
   x = 444,024,136.30