Finding the Fourth Proportional to 2,138,144.36, 2,949,520.55 and 1,322,087.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,144.36 : 2,949,520.55 = 1,322,087.18 : x
2. Step 2: Convert to fraction form
   2,138,144.36/2,949,520.55 = 1,322,087.18/x
3. Step 3: Cross multiply
   2,138,144.36x = 2,949,520.55 × 1,322,087.18
4. Step 4: Simplify right side
   2,138,144.36x = 3,899,523,316,980.57
5. Step 5: Solve for x
   x = 3,899,523,316,980.57/2,138,144.36
6. Step 6: Final answer
   x = 1,823,788.60