Finding the Fourth Proportional to 2,521.29, 3,782.35 and 766.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.29 : 3,782.35 = 766.03 : x
2. Step 2: Convert to fraction form
   2,521.29/3,782.35 = 766.03/x
3. Step 3: Cross multiply
   2,521.29x = 3,782.35 × 766.03
4. Step 4: Simplify right side
   2,521.29x = 2,897,393.57
5. Step 5: Solve for x
   x = 2,897,393.57/2,521.29
6. Step 6: Final answer
   x = 1,149.17