Finding the Fourth Proportional to 13,541.91, 18,687.50 and 7,492.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,541.91 : 18,687.50 = 7,492.38 : x
2. Step 2: Convert to fraction form
   13,541.91/18,687.50 = 7,492.38/x
3. Step 3: Cross multiply
   13,541.91x = 18,687.50 × 7,492.38
4. Step 4: Simplify right side
   13,541.91x = 140,013,813.79
5. Step 5: Solve for x
   x = 140,013,813.79/13,541.91
6. Step 6: Final answer
   x = 10,339.30