Finding the Fourth Proportional to 17,709.34, 26,566.89 and 5,230.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,709.34 : 26,566.89 = 5,230.62 : x
2. Step 2: Convert to fraction form
   17,709.34/26,566.89 = 5,230.62/x
3. Step 3: Cross multiply
   17,709.34x = 26,566.89 × 5,230.62
4. Step 4: Simplify right side
   17,709.34x = 138,961,306.17
5. Step 5: Solve for x
   x = 138,961,306.17/17,709.34
6. Step 6: Final answer
   x = 7,846.78