Finding the Fourth Proportional to 3,666.29, 5,061.91 and 2,271.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.29 : 5,061.91 = 2,271.47 : x
2. Step 2: Convert to fraction form
   3,666.29/5,061.91 = 2,271.47/x
3. Step 3: Cross multiply
   3,666.29x = 5,061.91 × 2,271.47
4. Step 4: Simplify right side
   3,666.29x = 11,497,976.71
5. Step 5: Solve for x
   x = 11,497,976.71/3,666.29
6. Step 6: Final answer
   x = 3,136.13