Finding the Fourth Proportional to 2,402.90, 3,603.82 and 759.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.90 : 3,603.82 = 759.56 : x
2. Step 2: Convert to fraction form
   2,402.90/3,603.82 = 759.56/x
3. Step 3: Cross multiply
   2,402.90x = 3,603.82 × 759.56
4. Step 4: Simplify right side
   2,402.90x = 2,737,317.52
5. Step 5: Solve for x
   x = 2,737,317.52/2,402.90
6. Step 6: Final answer
   x = 1,139.17