Finding the Fourth Proportional to 773,669,456.10, 1,160,504,184.15 and 386,248,967.10

Step by Step Solution

1. Step 1: Write the proportion equation
   773,669,456.10 : 1,160,504,184.15 = 386,248,967.10 : x
2. Step 2: Convert to fraction form
   773,669,456.10/1,160,504,184.15 = 386,248,967.10/x
3. Step 3: Cross multiply
   773,669,456.10x = 1,160,504,184.15 × 386,248,967.10
4. Step 4: Simplify right side
   773,669,456.10x = 448,243,542,443,165,760
5. Step 5: Solve for x
   x = 448,243,542,443,165,760/773,669,456.10
6. Step 6: Final answer
   x = 579,373,450.65