Finding the Fourth Proportional to 10,359.37, 15,540.87 and 3,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.37 : 15,540.87 = 3,789.88 : x
2. Step 2: Convert to fraction form
   10,359.37/15,540.87 = 3,789.88/x
3. Step 3: Cross multiply
   10,359.37x = 15,540.87 × 3,789.88
4. Step 4: Simplify right side
   10,359.37x = 58,898,032.40
5. Step 5: Solve for x
   x = 58,898,032.40/10,359.37
6. Step 6: Final answer
   x = 5,685.48