Finding the Fourth Proportional to 9,219.64, 12,722.73 and 5,444.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,219.64 : 12,722.73 = 5,444.02 : x
2. Step 2: Convert to fraction form
   9,219.64/12,722.73 = 5,444.02/x
3. Step 3: Cross multiply
   9,219.64x = 12,722.73 × 5,444.02
4. Step 4: Simplify right side
   9,219.64x = 69,262,733.27
5. Step 5: Solve for x
   x = 69,262,733.27/9,219.64
6. Step 6: Final answer
   x = 7,512.52