Finding the Fourth Proportional to 2,138,143.05, 2,949,518.75 and 1,322,085.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,143.05 : 2,949,518.75 = 1,322,085.87 : x
2. Step 2: Convert to fraction form
   2,138,143.05/2,949,518.75 = 1,322,085.87/x
3. Step 3: Cross multiply
   2,138,143.05x = 2,949,518.75 × 1,322,085.87
4. Step 4: Simplify right side
   2,138,143.05x = 3,899,517,056,064.63
5. Step 5: Solve for x
   x = 3,899,517,056,064.63/2,138,143.05
6. Step 6: Final answer
   x = 1,823,786.79