Finding the Fourth Proportional to 11,507.27, 17,234.78 and 10,177.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,507.27 : 17,234.78 = 10,177.25 : x
2. Step 2: Convert to fraction form
   11,507.27/17,234.78 = 10,177.25/x
3. Step 3: Cross multiply
   11,507.27x = 17,234.78 × 10,177.25
4. Step 4: Simplify right side
   11,507.27x = 175,402,527.69
5. Step 5: Solve for x
   x = 175,402,527.69/11,507.27
6. Step 6: Final answer
   x = 15,242.76