Finding the Fourth Proportional to 2,105,082.24, 2,904,974.88 and 1,289,156.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,082.24 : 2,904,974.88 = 1,289,156.40 : x
2. Step 2: Convert to fraction form
   2,105,082.24/2,904,974.88 = 1,289,156.40/x
3. Step 3: Cross multiply
   2,105,082.24x = 2,904,974.88 × 1,289,156.40
4. Step 4: Simplify right side
   2,105,082.24x = 3,744,966,958,391.23
5. Step 5: Solve for x
   x = 3,744,966,958,391.23/2,105,082.24
6. Step 6: Final answer
   x = 1,779,012.19