Finding the Fourth Proportional to 2,062.48, 3,092.89 and 764.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.48 : 3,092.89 = 764.05 : x
2. Step 2: Convert to fraction form
   2,062.48/3,092.89 = 764.05/x
3. Step 3: Cross multiply
   2,062.48x = 3,092.89 × 764.05
4. Step 4: Simplify right side
   2,062.48x = 2,363,122.60
5. Step 5: Solve for x
   x = 2,363,122.60/2,062.48
6. Step 6: Final answer
   x = 1,145.77