Finding the Fourth Proportional to 13,009.37, 17,951.79 and 7,632.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.37 : 17,951.79 = 7,632.89 : x
2. Step 2: Convert to fraction form
   13,009.37/17,951.79 = 7,632.89/x
3. Step 3: Cross multiply
   13,009.37x = 17,951.79 × 7,632.89
4. Step 4: Simplify right side
   13,009.37x = 137,024,038.37
5. Step 5: Solve for x
   x = 137,024,038.37/13,009.37
6. Step 6: Final answer
   x = 10,532.72