Finding the Fourth Proportional to 2,040.86, 3,061.73 and 742.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.86 : 3,061.73 = 742.31 : x
2. Step 2: Convert to fraction form
   2,040.86/3,061.73 = 742.31/x
3. Step 3: Cross multiply
   2,040.86x = 3,061.73 × 742.31
4. Step 4: Simplify right side
   2,040.86x = 2,272,762.31
5. Step 5: Solve for x
   x = 2,272,762.31/2,040.86
6. Step 6: Final answer
   x = 1,113.63