Finding the Fourth Proportional to 12,488.02, 18,735.99 and 3,723.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.02 : 18,735.99 = 3,723.46 : x
2. Step 2: Convert to fraction form
   12,488.02/18,735.99 = 3,723.46/x
3. Step 3: Cross multiply
   12,488.02x = 18,735.99 × 3,723.46
4. Step 4: Simplify right side
   12,488.02x = 69,762,709.33
5. Step 5: Solve for x
   x = 69,762,709.33/12,488.02
6. Step 6: Final answer
   x = 5,586.37