Finding the Fourth Proportional to 2,402.50, 3,603.60 and 760.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.50 : 3,603.60 = 760.12 : x
2. Step 2: Convert to fraction form
   2,402.50/3,603.60 = 760.12/x
3. Step 3: Cross multiply
   2,402.50x = 3,603.60 × 760.12
4. Step 4: Simplify right side
   2,402.50x = 2,739,168.43
5. Step 5: Solve for x
   x = 2,739,168.43/2,402.50
6. Step 6: Final answer
   x = 1,140.13