Finding the Fourth Proportional to 22,993.72, 31,734.54 and 13,436.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,993.72 : 31,734.54 = 13,436.76 : x
2. Step 2: Convert to fraction form
   22,993.72/31,734.54 = 13,436.76/x
3. Step 3: Cross multiply
   22,993.72x = 31,734.54 × 13,436.76
4. Step 4: Simplify right side
   22,993.72x = 426,409,397.69
5. Step 5: Solve for x
   x = 426,409,397.69/22,993.72
6. Step 6: Final answer
   x = 18,544.60