Finding the Fourth Proportional to 13,501.41, 18,631.89 and 7,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.41 : 18,631.89 = 7,532.72 : x
2. Step 2: Convert to fraction form
   13,501.41/18,631.89 = 7,532.72/x
3. Step 3: Cross multiply
   13,501.41x = 18,631.89 × 7,532.72
4. Step 4: Simplify right side
   13,501.41x = 140,348,717.28
5. Step 5: Solve for x
   x = 140,348,717.28/13,501.41
6. Step 6: Final answer
   x = 10,395.12