Finding the Fourth Proportional to 2,057,116.29, 2,838,604.36 and 1,139,321.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,116.29 : 2,838,604.36 = 1,139,321.38 : x
2. Step 2: Convert to fraction form
   2,057,116.29/2,838,604.36 = 1,139,321.38/x
3. Step 3: Cross multiply
   2,057,116.29x = 2,838,604.36 × 1,139,321.38
4. Step 4: Simplify right side
   2,057,116.29x = 3,234,082,636,709.22
5. Step 5: Solve for x
   x = 3,234,082,636,709.22/2,057,116.29
6. Step 6: Final answer
   x = 1,572,143.81