Finding the Fourth Proportional to 2,402.16, 3,603.57 and 758.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.16 : 3,603.57 = 758.15 : x
2. Step 2: Convert to fraction form
   2,402.16/3,603.57 = 758.15/x
3. Step 3: Cross multiply
   2,402.16x = 3,603.57 × 758.15
4. Step 4: Simplify right side
   2,402.16x = 2,732,028.58
5. Step 5: Solve for x
   x = 2,732,028.58/2,402.16
6. Step 6: Final answer
   x = 1,137.32