Finding the Fourth Proportional to 39,019.97, 58,540.89 and 15,662.81

Step by Step Solution

1. Step 1: Write the proportion equation
   39,019.97 : 58,540.89 = 15,662.81 : x
2. Step 2: Convert to fraction form
   39,019.97/58,540.89 = 15,662.81/x
3. Step 3: Cross multiply
   39,019.97x = 58,540.89 × 15,662.81
4. Step 4: Simplify right side
   39,019.97x = 916,914,837.30
5. Step 5: Solve for x
   x = 916,914,837.30/39,019.97
6. Step 6: Final answer
   x = 23,498.60