Finding the Fourth Proportional to 7,285.04, 10,911.13 and 5,103.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,285.04 : 10,911.13 = 5,103.51 : x
2. Step 2: Convert to fraction form
   7,285.04/10,911.13 = 5,103.51/x
3. Step 3: Cross multiply
   7,285.04x = 10,911.13 × 5,103.51
4. Step 4: Simplify right side
   7,285.04x = 55,685,061.07
5. Step 5: Solve for x
   x = 55,685,061.07/7,285.04
6. Step 6: Final answer
   x = 7,643.76