Finding the Fourth Proportional to 13,148.38, 19,722.84 and 3,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,148.38 : 19,722.84 = 3,789.10 : x
2. Step 2: Convert to fraction form
   13,148.38/19,722.84 = 3,789.10/x
3. Step 3: Cross multiply
   13,148.38x = 19,722.84 × 3,789.10
4. Step 4: Simplify right side
   13,148.38x = 74,731,813.04
5. Step 5: Solve for x
   x = 74,731,813.04/13,148.38
6. Step 6: Final answer
   x = 5,683.73