Finding the Fourth Proportional to 2,141,667.81, 3,211,468.36 and 1,243,335.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,667.81 : 3,211,468.36 = 1,243,335.69 : x
2. Step 2: Convert to fraction form
   2,141,667.81/3,211,468.36 = 1,243,335.69/x
3. Step 3: Cross multiply
   2,141,667.81x = 3,211,468.36 × 1,243,335.69
4. Step 4: Simplify right side
   2,141,667.81x = 3,992,933,213,236.43
5. Step 5: Solve for x
   x = 3,992,933,213,236.43/2,141,667.81
6. Step 6: Final answer
   x = 1,864,403.62