Finding the Fourth Proportional to 13,008.37, 17,950.41 and 7,631.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.37 : 17,950.41 = 7,631.89 : x
2. Step 2: Convert to fraction form
   13,008.37/17,950.41 = 7,631.89/x
3. Step 3: Cross multiply
   13,008.37x = 17,950.41 × 7,631.89
4. Step 4: Simplify right side
   13,008.37x = 136,995,554.57
5. Step 5: Solve for x
   x = 136,995,554.57/13,008.37
6. Step 6: Final answer
   x = 10,531.34