Finding the Fourth Proportional to 12,162.80, 18,116.38 and 11,594

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.80 : 18,116.38 = 11,594 : x
2. Step 2: Convert to fraction form
   12,162.80/18,116.38 = 11,594/x
3. Step 3: Cross multiply
   12,162.80x = 18,116.38 × 11,594
4. Step 4: Simplify right side
   12,162.80x = 210,041,309.72
5. Step 5: Solve for x
   x = 210,041,309.72/12,162.80
6. Step 6: Final answer
   x = 17,269.16