Finding the Fourth Proportional to 7,097.76, 10,640.16 and 3,200.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,097.76 : 10,640.16 = 3,200.04 : x
2. Step 2: Convert to fraction form
   7,097.76/10,640.16 = 3,200.04/x
3. Step 3: Cross multiply
   7,097.76x = 10,640.16 × 3,200.04
4. Step 4: Simplify right side
   7,097.76x = 34,048,937.61
5. Step 5: Solve for x
   x = 34,048,937.61/7,097.76
6. Step 6: Final answer
   x = 4,797.14