Finding the Fourth Proportional to 5,418.72, 7,467.72 and 5,322.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418.72 : 7,467.72 = 5,322.96 : x
2. Step 2: Convert to fraction form
   5,418.72/7,467.72 = 5,322.96/x
3. Step 3: Cross multiply
   5,418.72x = 7,467.72 × 5,322.96
4. Step 4: Simplify right side
   5,418.72x = 39,750,374.85
5. Step 5: Solve for x
   x = 39,750,374.85/5,418.72
6. Step 6: Final answer
   x = 7,335.75