Finding the Fourth Proportional to 23,603.23, 32,573.33 and 12,993.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,603.23 : 32,573.33 = 12,993.31 : x
2. Step 2: Convert to fraction form
   23,603.23/32,573.33 = 12,993.31/x
3. Step 3: Cross multiply
   23,603.23x = 32,573.33 × 12,993.31
4. Step 4: Simplify right side
   23,603.23x = 423,235,374.42
5. Step 5: Solve for x
   x = 423,235,374.42/23,603.23
6. Step 6: Final answer
   x = 17,931.25