Finding the Fourth Proportional to 4,243,143.52, 5,855,456.28 and 2,309,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,243,143.52 : 5,855,456.28 = 2,309,446.72 : x
2. Step 2: Convert to fraction form
   4,243,143.52/5,855,456.28 = 2,309,446.72/x
3. Step 3: Cross multiply
   4,243,143.52x = 5,855,456.28 × 2,309,446.72
4. Step 4: Simplify right side
   4,243,143.52x = 13,522,864,299,949.40
5. Step 5: Solve for x
   x = 13,522,864,299,949.40/4,243,143.52
6. Step 6: Final answer
   x = 3,186,991.96