Finding the Fourth Proportional to 17,007.12, 25,507.83 and 12,061.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,007.12 : 25,507.83 = 12,061.74 : x
2. Step 2: Convert to fraction form
   17,007.12/25,507.83 = 12,061.74/x
3. Step 3: Cross multiply
   17,007.12x = 25,507.83 × 12,061.74
4. Step 4: Simplify right side
   17,007.12x = 307,668,813.42
5. Step 5: Solve for x
   x = 307,668,813.42/17,007.12
6. Step 6: Final answer
   x = 18,090.59