Finding the Fourth Proportional to 11,425.37, 17,144.00 and 5,189.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,425.37 : 17,144.00 = 5,189.81 : x
2. Step 2: Convert to fraction form
   11,425.37/17,144.00 = 5,189.81/x
3. Step 3: Cross multiply
   11,425.37x = 17,144.00 × 5,189.81
4. Step 4: Simplify right side
   11,425.37x = 88,974,076.69
5. Step 5: Solve for x
   x = 88,974,076.69/11,425.37
6. Step 6: Final answer
   x = 7,787.41