Finding the Fourth Proportional to 17,487.23, 26,227.15 and 5,642.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,487.23 : 26,227.15 = 5,642.09 : x
2. Step 2: Convert to fraction form
   17,487.23/26,227.15 = 5,642.09/x
3. Step 3: Cross multiply
   17,487.23x = 26,227.15 × 5,642.09
4. Step 4: Simplify right side
   17,487.23x = 147,975,940.74
5. Step 5: Solve for x
   x = 147,975,940.74/17,487.23
6. Step 6: Final answer
   x = 8,461.94