Finding the Fourth Proportional to 23,557.59, 32,510.07 and 12,947.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,557.59 : 32,510.07 = 12,947.49 : x
2. Step 2: Convert to fraction form
   23,557.59/32,510.07 = 12,947.49/x
3. Step 3: Cross multiply
   23,557.59x = 32,510.07 × 12,947.49
4. Step 4: Simplify right side
   23,557.59x = 420,923,806.22
5. Step 5: Solve for x
   x = 420,923,806.22/23,557.59
6. Step 6: Final answer
   x = 17,867.86