Finding the Fourth Proportional to 9,426.72, 13,009.32 and 5,235

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.72 : 13,009.32 = 5,235 : x
2. Step 2: Convert to fraction form
   9,426.72/13,009.32 = 5,235/x
3. Step 3: Cross multiply
   9,426.72x = 13,009.32 × 5,235
4. Step 4: Simplify right side
   9,426.72x = 68,103,790.20
5. Step 5: Solve for x
   x = 68,103,790.20/9,426.72
6. Step 6: Final answer
   x = 7,224.55