Finding the Fourth Proportional to 23,615.40, 32,588.25 and 13,004.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,615.40 : 32,588.25 = 13,004.79 : x
2. Step 2: Convert to fraction form
   23,615.40/32,588.25 = 13,004.79/x
3. Step 3: Cross multiply
   23,615.40x = 32,588.25 × 13,004.79
4. Step 4: Simplify right side
   23,615.40x = 423,803,347.72
5. Step 5: Solve for x
   x = 423,803,347.72/23,615.40
6. Step 6: Final answer
   x = 17,946.06