Finding the Fourth Proportional to 12,384,778.10, 18,548,883.77 and 5,912,406.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384,778.10 : 18,548,883.77 = 5,912,406.27 : x
2. Step 2: Convert to fraction form
   12,384,778.10/18,548,883.77 = 5,912,406.27/x
3. Step 3: Cross multiply
   12,384,778.10x = 18,548,883.77 × 5,912,406.27
4. Step 4: Simplify right side
   12,384,778.10x = 109,668,536,673,687.20
5. Step 5: Solve for x
   x = 109,668,536,673,687.20/12,384,778.10
6. Step 6: Final answer
   x = 8,855,107.12