Finding the Fourth Proportional to 2,073.90, 3,111.14 and 757.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.90 : 3,111.14 = 757.48 : x
2. Step 2: Convert to fraction form
   2,073.90/3,111.14 = 757.48/x
3. Step 3: Cross multiply
   2,073.90x = 3,111.14 × 757.48
4. Step 4: Simplify right side
   2,073.90x = 2,356,614.76
5. Step 5: Solve for x
   x = 2,356,614.76/2,073.90
6. Step 6: Final answer
   x = 1,136.32