Finding the Fourth Proportional to 8,287.02, 12,423.50 and 3,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,287.02 : 12,423.50 = 3,603.50 : x
2. Step 2: Convert to fraction form
   8,287.02/12,423.50 = 3,603.50/x
3. Step 3: Cross multiply
   8,287.02x = 12,423.50 × 3,603.50
4. Step 4: Simplify right side
   8,287.02x = 44,768,082.25
5. Step 5: Solve for x
   x = 44,768,082.25/8,287.02
6. Step 6: Final answer
   x = 5,402.19