Finding the Fourth Proportional to 23,603.98, 32,572.92 and 12,993.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,603.98 : 32,572.92 = 12,993.52 : x
2. Step 2: Convert to fraction form
   23,603.98/32,572.92 = 12,993.52/x
3. Step 3: Cross multiply
   23,603.98x = 32,572.92 × 12,993.52
4. Step 4: Simplify right side
   23,603.98x = 423,236,887.48
5. Step 5: Solve for x
   x = 423,236,887.48/23,603.98
6. Step 6: Final answer
   x = 17,930.74