Finding the Fourth Proportional to 23,419.86, 32,320.59 and 13,865.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419.86 : 32,320.59 = 13,865.23 : x
2. Step 2: Convert to fraction form
   23,419.86/32,320.59 = 13,865.23/x
3. Step 3: Cross multiply
   23,419.86x = 32,320.59 × 13,865.23
4. Step 4: Simplify right side
   23,419.86x = 448,132,414.09
5. Step 5: Solve for x
   x = 448,132,414.09/23,419.86
6. Step 6: Final answer
   x = 19,134.72