Finding the Fourth Proportional to 23,721.57, 32,735.34 and 13,111.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,721.57 : 32,735.34 = 13,111.92 : x
2. Step 2: Convert to fraction form
   23,721.57/32,735.34 = 13,111.92/x
3. Step 3: Cross multiply
   23,721.57x = 32,735.34 × 13,111.92
4. Step 4: Simplify right side
   23,721.57x = 429,223,159.25
5. Step 5: Solve for x
   x = 429,223,159.25/23,721.57
6. Step 6: Final answer
   x = 18,094.21