Finding the Fourth Proportional to 23,291.30, 32,142.06 and 13,859.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,291.30 : 32,142.06 = 13,859.25 : x
2. Step 2: Convert to fraction form
   23,291.30/32,142.06 = 13,859.25/x
3. Step 3: Cross multiply
   23,291.30x = 32,142.06 × 13,859.25
4. Step 4: Simplify right side
   23,291.30x = 445,464,845.06
5. Step 5: Solve for x
   x = 445,464,845.06/23,291.30
6. Step 6: Final answer
   x = 19,125.81