Finding the Fourth Proportional to 23,615.07, 32,589.33 and 13,005.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,615.07 : 32,589.33 = 13,005.30 : x
2. Step 2: Convert to fraction form
   23,615.07/32,589.33 = 13,005.30/x
3. Step 3: Cross multiply
   23,615.07x = 32,589.33 × 13,005.30
4. Step 4: Simplify right side
   23,615.07x = 423,834,013.45
5. Step 5: Solve for x
   x = 423,834,013.45/23,615.07
6. Step 6: Final answer
   x = 17,947.61