Finding the Fourth Proportional to 2,074,240.72, 2,862,640.20 and 1,258,651.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,240.72 : 2,862,640.20 = 1,258,651.05 : x
2. Step 2: Convert to fraction form
   2,074,240.72/2,862,640.20 = 1,258,651.05/x
3. Step 3: Cross multiply
   2,074,240.72x = 2,862,640.20 × 1,258,651.05
4. Step 4: Simplify right side
   2,074,240.72x = 3,603,065,093,502.21
5. Step 5: Solve for x
   x = 3,603,065,093,502.21/2,074,240.72
6. Step 6: Final answer
   x = 1,737,052.53