Finding the Fourth Proportional to 2,610.83, 3,916.62 and 762.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.83 : 3,916.62 = 762.11 : x
2. Step 2: Convert to fraction form
   2,610.83/3,916.62 = 762.11/x
3. Step 3: Cross multiply
   2,610.83x = 3,916.62 × 762.11
4. Step 4: Simplify right side
   2,610.83x = 2,984,890.37
5. Step 5: Solve for x
   x = 2,984,890.37/2,610.83
6. Step 6: Final answer
   x = 1,143.27