Finding the Fourth Proportional to 16,788.18, 25,190.58 and 7,904.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.18 : 25,190.58 = 7,904.22 : x
2. Step 2: Convert to fraction form
   16,788.18/25,190.58 = 7,904.22/x
3. Step 3: Cross multiply
   16,788.18x = 25,190.58 × 7,904.22
4. Step 4: Simplify right side
   16,788.18x = 199,111,886.25
5. Step 5: Solve for x
   x = 199,111,886.25/16,788.18
6. Step 6: Final answer
   x = 11,860.24