Finding the Fourth Proportional to 17,093.90, 25,644.56 and 5,247.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,093.90 : 25,644.56 = 5,247.72 : x
2. Step 2: Convert to fraction form
   17,093.90/25,644.56 = 5,247.72/x
3. Step 3: Cross multiply
   17,093.90x = 25,644.56 × 5,247.72
4. Step 4: Simplify right side
   17,093.90x = 134,575,470.40
5. Step 5: Solve for x
   x = 134,575,470.40/17,093.90
6. Step 6: Final answer
   x = 7,872.72