Finding the Fourth Proportional to 2,107,111.20, 2,907,821.10 and 1,140,241.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,111.20 : 2,907,821.10 = 1,140,241.38 : x
2. Step 2: Convert to fraction form
   2,107,111.20/2,907,821.10 = 1,140,241.38/x
3. Step 3: Cross multiply
   2,107,111.20x = 2,907,821.10 × 1,140,241.38
4. Step 4: Simplify right side
   2,107,111.20x = 3,315,617,943,857.12
5. Step 5: Solve for x
   x = 3,315,617,943,857.12/2,107,111.20
6. Step 6: Final answer
   x = 1,573,537.24