Finding the Fourth Proportional to 12,359.52, 18,545.31 and 5,784.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.52 : 18,545.31 = 5,784.48 : x
2. Step 2: Convert to fraction form
   12,359.52/18,545.31 = 5,784.48/x
3. Step 3: Cross multiply
   12,359.52x = 18,545.31 × 5,784.48
4. Step 4: Simplify right side
   12,359.52x = 107,274,974.79
5. Step 5: Solve for x
   x = 107,274,974.79/12,359.52
6. Step 6: Final answer
   x = 8,679.54