Finding the Fourth Proportional to 17,679.69, 26,488.37 and 9,341.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,679.69 : 26,488.37 = 9,341.30 : x
2. Step 2: Convert to fraction form
   17,679.69/26,488.37 = 9,341.30/x
3. Step 3: Cross multiply
   17,679.69x = 26,488.37 × 9,341.30
4. Step 4: Simplify right side
   17,679.69x = 247,435,773.21
5. Step 5: Solve for x
   x = 247,435,773.21/17,679.69
6. Step 6: Final answer
   x = 13,995.48