Finding the Fourth Proportional to 2,143,758.15, 3,211,433.24 and 1,243,308.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,758.15 : 3,211,433.24 = 1,243,308.69 : x
2. Step 2: Convert to fraction form
   2,143,758.15/3,211,433.24 = 1,243,308.69/x
3. Step 3: Cross multiply
   2,143,758.15x = 3,211,433.24 × 1,243,308.69
4. Step 4: Simplify right side
   2,143,758.15x = 3,992,802,848,430.31
5. Step 5: Solve for x
   x = 3,992,802,848,430.31/2,143,758.15
6. Step 6: Final answer
   x = 1,862,524.86