Finding the Fourth Proportional to 23,560.62, 32,513 and 12,948.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,560.62 : 32,513 = 12,948.80 : x
2. Step 2: Convert to fraction form
   23,560.62/32,513 = 12,948.80/x
3. Step 3: Cross multiply
   23,560.62x = 32,513 × 12,948.80
4. Step 4: Simplify right side
   23,560.62x = 421,004,334.40
5. Step 5: Solve for x
   x = 421,004,334.40/23,560.62
6. Step 6: Final answer
   x = 17,868.98