Finding the Fourth Proportional to 7,103.47, 10,658.28 and 3,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.47 : 10,658.28 = 3,812.72 : x
2. Step 2: Convert to fraction form
   7,103.47/10,658.28 = 3,812.72/x
3. Step 3: Cross multiply
   7,103.47x = 10,658.28 × 3,812.72
4. Step 4: Simplify right side
   7,103.47x = 40,637,047.56
5. Step 5: Solve for x
   x = 40,637,047.56/7,103.47
6. Step 6: Final answer
   x = 5,720.73