Finding the Fourth Proportional to 2,108,988, 2,910,399.12 and 1,142,118

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,988 : 2,910,399.12 = 1,142,118 : x
2. Step 2: Convert to fraction form
   2,108,988/2,910,399.12 = 1,142,118/x
3. Step 3: Cross multiply
   2,108,988x = 2,910,399.12 × 1,142,118
4. Step 4: Simplify right side
   2,108,988x = 3,324,019,222,136.16
5. Step 5: Solve for x
   x = 3,324,019,222,136.16/2,108,988
6. Step 6: Final answer
   x = 1,576,120.50