Finding the Fourth Proportional to 41,388.71, 62,081.87 and 13,308.53

Step by Step Solution

1. Step 1: Write the proportion equation
   41,388.71 : 62,081.87 = 13,308.53 : x
2. Step 2: Convert to fraction form
   41,388.71/62,081.87 = 13,308.53/x
3. Step 3: Cross multiply
   41,388.71x = 62,081.87 × 13,308.53
4. Step 4: Simplify right side
   41,388.71x = 826,218,052.40
5. Step 5: Solve for x
   x = 826,218,052.40/41,388.71
6. Step 6: Final answer
   x = 19,962.40