Finding the Fourth Proportional to 1,631,401.38, 2,251,271.32 and 906,294.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,401.38 : 2,251,271.32 = 906,294.69 : x
2. Step 2: Convert to fraction form
   1,631,401.38/2,251,271.32 = 906,294.69/x
3. Step 3: Cross multiply
   1,631,401.38x = 2,251,271.32 × 906,294.69
4. Step 4: Simplify right side
   1,631,401.38x = 2,040,315,240,799.55
5. Step 5: Solve for x
   x = 2,040,315,240,799.55/1,631,401.38
6. Step 6: Final answer
   x = 1,250,651.90