Finding the Fourth Proportional to 2,061.86, 3,092.76 and 763.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.86 : 3,092.76 = 763.31 : x
2. Step 2: Convert to fraction form
   2,061.86/3,092.76 = 763.31/x
3. Step 3: Cross multiply
   2,061.86x = 3,092.76 × 763.31
4. Step 4: Simplify right side
   2,061.86x = 2,360,742.37
5. Step 5: Solve for x
   x = 2,360,742.37/2,061.86
6. Step 6: Final answer
   x = 1,144.96