Finding the Fourth Proportional to 13,576.38, 18,734.89 and 7,608.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,576.38 : 18,734.89 = 7,608.10 : x
2. Step 2: Convert to fraction form
   13,576.38/18,734.89 = 7,608.10/x
3. Step 3: Cross multiply
   13,576.38x = 18,734.89 × 7,608.10
4. Step 4: Simplify right side
   13,576.38x = 142,536,916.61
5. Step 5: Solve for x
   x = 142,536,916.61/13,576.38
6. Step 6: Final answer
   x = 10,498.89