Finding the Fourth Proportional to 10,810.45, 16,137.50 and 9,498.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.45 : 16,137.50 = 9,498.25 : x
2. Step 2: Convert to fraction form
   10,810.45/16,137.50 = 9,498.25/x
3. Step 3: Cross multiply
   10,810.45x = 16,137.50 × 9,498.25
4. Step 4: Simplify right side
   10,810.45x = 153,278,009.38
5. Step 5: Solve for x
   x = 153,278,009.38/10,810.45
6. Step 6: Final answer
   x = 14,178.69