Finding the Fourth Proportional to 12,610.45, 18,916.56 and 3,725.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.45 : 18,916.56 = 3,725.67 : x
2. Step 2: Convert to fraction form
   12,610.45/18,916.56 = 3,725.67/x
3. Step 3: Cross multiply
   12,610.45x = 18,916.56 × 3,725.67
4. Step 4: Simplify right side
   12,610.45x = 70,476,860.10
5. Step 5: Solve for x
   x = 70,476,860.10/12,610.45
6. Step 6: Final answer
   x = 5,588.77