Finding the Fourth Proportional to 17,364.91, 26,048.72 and 5,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,364.91 : 26,048.72 = 5,679.31 : x
2. Step 2: Convert to fraction form
   17,364.91/26,048.72 = 5,679.31/x
3. Step 3: Cross multiply
   17,364.91x = 26,048.72 × 5,679.31
4. Step 4: Simplify right side
   17,364.91x = 147,938,755.98
5. Step 5: Solve for x
   x = 147,938,755.98/17,364.91
6. Step 6: Final answer
   x = 8,519.41