Finding the Fourth Proportional to 16,907.04, 25,367.96 and 9,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,907.04 : 25,367.96 = 9,106.72 : x
2. Step 2: Convert to fraction form
   16,907.04/25,367.96 = 9,106.72/x
3. Step 3: Cross multiply
   16,907.04x = 25,367.96 × 9,106.72
4. Step 4: Simplify right side
   16,907.04x = 231,018,908.69
5. Step 5: Solve for x
   x = 231,018,908.69/16,907.04
6. Step 6: Final answer
   x = 13,664.07