Finding the Fourth Proportional to 2,138,145.12, 2,949,521.59 and 1,322,087.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,145.12 : 2,949,521.59 = 1,322,087.94 : x
2. Step 2: Convert to fraction form
   2,138,145.12/2,949,521.59 = 1,322,087.94/x
3. Step 3: Cross multiply
   2,138,145.12x = 2,949,521.59 × 1,322,087.94
4. Step 4: Simplify right side
   2,138,145.12x = 3,899,526,908,161.02
5. Step 5: Solve for x
   x = 3,899,526,908,161.02/2,138,145.12
6. Step 6: Final answer
   x = 1,823,789.64