Finding the Fourth Proportional to 17,071.89, 23,556.18 and 12,599.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.89 : 23,556.18 = 12,599.49 : x
2. Step 2: Convert to fraction form
   17,071.89/23,556.18 = 12,599.49/x
3. Step 3: Cross multiply
   17,071.89x = 23,556.18 × 12,599.49
4. Step 4: Simplify right side
   17,071.89x = 296,795,854.35
5. Step 5: Solve for x
   x = 296,795,854.35/17,071.89
6. Step 6: Final answer
   x = 17,385.06