Finding the Fourth Proportional to 13,144.50, 19,718.57 and 3,785.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.50 : 19,718.57 = 3,785.04 : x
2. Step 2: Convert to fraction form
   13,144.50/19,718.57 = 3,785.04/x
3. Step 3: Cross multiply
   13,144.50x = 19,718.57 × 3,785.04
4. Step 4: Simplify right side
   13,144.50x = 74,635,557.27
5. Step 5: Solve for x
   x = 74,635,557.27/13,144.50
6. Step 6: Final answer
   x = 5,678.08