Finding the Fourth Proportional to 16,784.88, 25,166.28 and 9,390.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.88 : 25,166.28 = 9,390.12 : x
2. Step 2: Convert to fraction form
   16,784.88/25,166.28 = 9,390.12/x
3. Step 3: Cross multiply
   16,784.88x = 25,166.28 × 9,390.12
4. Step 4: Simplify right side
   16,784.88x = 236,314,389.15
5. Step 5: Solve for x
   x = 236,314,389.15/16,784.88
6. Step 6: Final answer
   x = 14,079.00