Finding the Fourth Proportional to 10,369.89, 15,540.93 and 3,789.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,369.89 : 15,540.93 = 3,789.81 : x
2. Step 2: Convert to fraction form
   10,369.89/15,540.93 = 3,789.81/x
3. Step 3: Cross multiply
   10,369.89x = 15,540.93 × 3,789.81
4. Step 4: Simplify right side
   10,369.89x = 58,897,171.92
5. Step 5: Solve for x
   x = 58,897,171.92/10,369.89
6. Step 6: Final answer
   x = 5,679.63