Finding the Fourth Proportional to 12,359.37, 18,551.39 and 5,790.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.37 : 18,551.39 = 5,790.27 : x
2. Step 2: Convert to fraction form
   12,359.37/18,551.39 = 5,790.27/x
3. Step 3: Cross multiply
   12,359.37x = 18,551.39 × 5,790.27
4. Step 4: Simplify right side
   12,359.37x = 107,417,528.02
5. Step 5: Solve for x
   x = 107,417,528.02/12,359.37
6. Step 6: Final answer
   x = 8,691.18