Finding the Fourth Proportional to 5,395.29, 7,447.59 and 4,216.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,395.29 : 7,447.59 = 4,216.74 : x
2. Step 2: Convert to fraction form
   5,395.29/7,447.59 = 4,216.74/x
3. Step 3: Cross multiply
   5,395.29x = 7,447.59 × 4,216.74
4. Step 4: Simplify right side
   5,395.29x = 31,404,550.66
5. Step 5: Solve for x
   x = 31,404,550.66/5,395.29
6. Step 6: Final answer
   x = 5,820.73