Finding the Fourth Proportional to 17,456.98, 26,189.57 and 5,770.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,456.98 : 26,189.57 = 5,770.20 : x
2. Step 2: Convert to fraction form
   17,456.98/26,189.57 = 5,770.20/x
3. Step 3: Cross multiply
   17,456.98x = 26,189.57 × 5,770.20
4. Step 4: Simplify right side
   17,456.98x = 151,118,976.91
5. Step 5: Solve for x
   x = 151,118,976.91/17,456.98
6. Step 6: Final answer
   x = 8,656.65