Finding the Fourth Proportional to 2,140,983.43, 2,954,284.86 and 1,223,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,983.43 : 2,954,284.86 = 1,223,272 : x
2. Step 2: Convert to fraction form
   2,140,983.43/2,954,284.86 = 1,223,272/x
3. Step 3: Cross multiply
   2,140,983.43x = 2,954,284.86 × 1,223,272
4. Step 4: Simplify right side
   2,140,983.43x = 3,613,893,949,261.92
5. Step 5: Solve for x
   x = 3,613,893,949,261.92/2,140,983.43
6. Step 6: Final answer
   x = 1,687,959.79