Finding the Fourth Proportional to 7,419.27, 11,131.86 and 5,454.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,419.27 : 11,131.86 = 5,454.83 : x
2. Step 2: Convert to fraction form
   7,419.27/11,131.86 = 5,454.83/x
3. Step 3: Cross multiply
   7,419.27x = 11,131.86 × 5,454.83
4. Step 4: Simplify right side
   7,419.27x = 60,722,452.17
5. Step 5: Solve for x
   x = 60,722,452.17/7,419.27
6. Step 6: Final answer
   x = 8,184.42