Finding the Fourth Proportional to 11,349.37, 17,009.68 and 5,102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,349.37 : 17,009.68 = 5,102.72 : x
2. Step 2: Convert to fraction form
   11,349.37/17,009.68 = 5,102.72/x
3. Step 3: Cross multiply
   11,349.37x = 17,009.68 × 5,102.72
4. Step 4: Simplify right side
   11,349.37x = 86,795,634.33
5. Step 5: Solve for x
   x = 86,795,634.33/11,349.37
6. Step 6: Final answer
   x = 7,647.62