Finding the Fourth Proportional to 17,622.72, 26,443.80 and 9,827.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,622.72 : 26,443.80 = 9,827.28 : x
2. Step 2: Convert to fraction form
   17,622.72/26,443.80 = 9,827.28/x
3. Step 3: Cross multiply
   17,622.72x = 26,443.80 × 9,827.28
4. Step 4: Simplify right side
   17,622.72x = 259,870,626.86
5. Step 5: Solve for x
   x = 259,870,626.86/17,622.72
6. Step 6: Final answer
   x = 14,746.34