Finding the Fourth Proportional to 17,018.60, 23,478.50 and 12,292.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,018.60 : 23,478.50 = 12,292.52 : x
2. Step 2: Convert to fraction form
   17,018.60/23,478.50 = 12,292.52/x
3. Step 3: Cross multiply
   17,018.60x = 23,478.50 × 12,292.52
4. Step 4: Simplify right side
   17,018.60x = 288,609,930.82
5. Step 5: Solve for x
   x = 288,609,930.82/17,018.60
6. Step 6: Final answer
   x = 16,958.50