Finding the Fourth Proportional to 12,345.30, 18,492.84 and 8,601.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,345.30 : 18,492.84 = 8,601.48 : x
2. Step 2: Convert to fraction form
   12,345.30/18,492.84 = 8,601.48/x
3. Step 3: Cross multiply
   12,345.30x = 18,492.84 × 8,601.48
4. Step 4: Simplify right side
   12,345.30x = 159,065,793.40
5. Step 5: Solve for x
   x = 159,065,793.40/12,345.30
6. Step 6: Final answer
   x = 12,884.72