Finding the Fourth Proportional to 7,544.76, 10,411.38 and 5,187.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,544.76 : 10,411.38 = 5,187.12 : x
2. Step 2: Convert to fraction form
   7,544.76/10,411.38 = 5,187.12/x
3. Step 3: Cross multiply
   7,544.76x = 10,411.38 × 5,187.12
4. Step 4: Simplify right side
   7,544.76x = 54,005,077.43
5. Step 5: Solve for x
   x = 54,005,077.43/7,544.76
6. Step 6: Final answer
   x = 7,157.96