Finding the Fourth Proportional to 16,849.63, 25,279.31 and 5,164.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,849.63 : 25,279.31 = 5,164.57 : x
2. Step 2: Convert to fraction form
   16,849.63/25,279.31 = 5,164.57/x
3. Step 3: Cross multiply
   16,849.63x = 25,279.31 × 5,164.57
4. Step 4: Simplify right side
   16,849.63x = 130,556,766.05
5. Step 5: Solve for x
   x = 130,556,766.05/16,849.63
6. Step 6: Final answer
   x = 7,748.35