Finding the Fourth Proportional to 2,109,205.78, 2,910,689.52 and 1,142,314

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,205.78 : 2,910,689.52 = 1,142,314 : x
2. Step 2: Convert to fraction form
   2,109,205.78/2,910,689.52 = 1,142,314/x
3. Step 3: Cross multiply
   2,109,205.78x = 2,910,689.52 × 1,142,314
4. Step 4: Simplify right side
   2,109,205.78x = 3,324,921,388,349.28
5. Step 5: Solve for x
   x = 3,324,921,388,349.28/2,109,205.78
6. Step 6: Final answer
   x = 1,576,385.49