Finding the Fourth Proportional to 12,573.20, 17,471.34 and 12,436.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.20 : 17,471.34 = 12,436.52 : x
2. Step 2: Convert to fraction form
   12,573.20/17,471.34 = 12,436.52/x
3. Step 3: Cross multiply
   12,573.20x = 17,471.34 × 12,436.52
4. Step 4: Simplify right side
   12,573.20x = 217,282,581.98
5. Step 5: Solve for x
   x = 217,282,581.98/12,573.20
6. Step 6: Final answer
   x = 17,281.40