Finding the Fourth Proportional to 5,131.33, 7,691.37 and 2,010.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.33 : 7,691.37 = 2,010.80 : x
2. Step 2: Convert to fraction form
   5,131.33/7,691.37 = 2,010.80/x
3. Step 3: Cross multiply
   5,131.33x = 7,691.37 × 2,010.80
4. Step 4: Simplify right side
   5,131.33x = 15,465,818.48
5. Step 5: Solve for x
   x = 15,465,818.48/5,131.33
6. Step 6: Final answer
   x = 3,014.00