Finding the Fourth Proportional to 16,810.95, 23,156.38 and 12,825.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810.95 : 23,156.38 = 12,825.14 : x
2. Step 2: Convert to fraction form
   16,810.95/23,156.38 = 12,825.14/x
3. Step 3: Cross multiply
   16,810.95x = 23,156.38 × 12,825.14
4. Step 4: Simplify right side
   16,810.95x = 296,983,815.39
5. Step 5: Solve for x
   x = 296,983,815.39/16,810.95
6. Step 6: Final answer
   x = 17,666.09