Finding the Fourth Proportional to 23,300.08, 32,153.70 and 12,689.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,300.08 : 32,153.70 = 12,689.53 : x
2. Step 2: Convert to fraction form
   23,300.08/32,153.70 = 12,689.53/x
3. Step 3: Cross multiply
   23,300.08x = 32,153.70 × 12,689.53
4. Step 4: Simplify right side
   23,300.08x = 408,015,340.76
5. Step 5: Solve for x
   x = 408,015,340.76/23,300.08
6. Step 6: Final answer
   x = 17,511.33