Finding the Fourth Proportional to 23,603.24, 32,572.98 and 12,993.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,603.24 : 32,572.98 = 12,993.32 : x
2. Step 2: Convert to fraction form
   23,603.24/32,572.98 = 12,993.32/x
3. Step 3: Cross multiply
   23,603.24x = 32,572.98 × 12,993.32
4. Step 4: Simplify right side
   23,603.24x = 423,231,152.49
5. Step 5: Solve for x
   x = 423,231,152.49/23,603.24
6. Step 6: Final answer
   x = 17,931.06