Finding the Fourth Proportional to 5,290.32, 7,297.92 and 4,296.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290.32 : 7,297.92 = 4,296.72 : x
2. Step 2: Convert to fraction form
   5,290.32/7,297.92 = 4,296.72/x
3. Step 3: Cross multiply
   5,290.32x = 7,297.92 × 4,296.72
4. Step 4: Simplify right side
   5,290.32x = 31,357,118.82
5. Step 5: Solve for x
   x = 31,357,118.82/5,290.32
6. Step 6: Final answer
   x = 5,927.26