Finding the Fourth Proportional to 9,216.01, 12,722.76 and 5,440.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,216.01 : 12,722.76 = 5,440.33 : x
2. Step 2: Convert to fraction form
   9,216.01/12,722.76 = 5,440.33/x
3. Step 3: Cross multiply
   9,216.01x = 12,722.76 × 5,440.33
4. Step 4: Simplify right side
   9,216.01x = 69,216,012.91
5. Step 5: Solve for x
   x = 69,216,012.91/9,216.01
6. Step 6: Final answer
   x = 7,510.41