Finding the Fourth Proportional to 2,429,431.38, 3,643,773.24 and 810,228.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429,431.38 : 3,643,773.24 = 810,228.72 : x
2. Step 2: Convert to fraction form
   2,429,431.38/3,643,773.24 = 810,228.72/x
3. Step 3: Cross multiply
   2,429,431.38x = 3,643,773.24 × 810,228.72
4. Step 4: Simplify right side
   2,429,431.38x = 2,952,289,728,215.45
5. Step 5: Solve for x
   x = 2,952,289,728,215.45/2,429,431.38
6. Step 6: Final answer
   x = 1,215,218.41