Finding the Fourth Proportional to 12,559.05, 17,298.20 and 9,362.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,559.05 : 17,298.20 = 9,362.10 : x
2. Step 2: Convert to fraction form
   12,559.05/17,298.20 = 9,362.10/x
3. Step 3: Cross multiply
   12,559.05x = 17,298.20 × 9,362.10
4. Step 4: Simplify right side
   12,559.05x = 161,947,478.22
5. Step 5: Solve for x
   x = 161,947,478.22/12,559.05
6. Step 6: Final answer
   x = 12,894.88