Finding the Fourth Proportional to 16,892.39, 25,342.72 and 11,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.39 : 25,342.72 = 11,904.50 : x
2. Step 2: Convert to fraction form
   16,892.39/25,342.72 = 11,904.50/x
3. Step 3: Cross multiply
   16,892.39x = 25,342.72 × 11,904.50
4. Step 4: Simplify right side
   16,892.39x = 301,692,224.00
5. Step 5: Solve for x
   x = 301,692,224.00/16,892.39
6. Step 6: Final answer
   x = 17,859.65