Finding the Fourth Proportional to 7,271.10, 10,038.87 and 5,589.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,271.10 : 10,038.87 = 5,589.41 : x
2. Step 2: Convert to fraction form
   7,271.10/10,038.87 = 5,589.41/x
3. Step 3: Cross multiply
   7,271.10x = 10,038.87 × 5,589.41
4. Step 4: Simplify right side
   7,271.10x = 56,111,310.17
5. Step 5: Solve for x
   x = 56,111,310.17/7,271.10
6. Step 6: Final answer
   x = 7,717.03