Finding the Fourth Proportional to 17,058.18, 23,538.69 and 12,584.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,058.18 : 23,538.69 = 12,584.42 : x
2. Step 2: Convert to fraction form
   17,058.18/23,538.69 = 12,584.42/x
3. Step 3: Cross multiply
   17,058.18x = 23,538.69 × 12,584.42
4. Step 4: Simplify right side
   17,058.18x = 296,220,761.21
5. Step 5: Solve for x
   x = 296,220,761.21/17,058.18
6. Step 6: Final answer
   x = 17,365.32