Finding the Fourth Proportional to 23,583.15, 32,544.57 and 12,972.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,583.15 : 32,544.57 = 12,972.55 : x
2. Step 2: Convert to fraction form
   23,583.15/32,544.57 = 12,972.55/x
3. Step 3: Cross multiply
   23,583.15x = 32,544.57 × 12,972.55
4. Step 4: Simplify right side
   23,583.15x = 422,186,061.55
5. Step 5: Solve for x
   x = 422,186,061.55/23,583.15
6. Step 6: Final answer
   x = 17,902.02