Finding the Fourth Proportional to 22,493.56, 31,043.86 and 13,062.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.56 : 31,043.86 = 13,062.12 : x
2. Step 2: Convert to fraction form
   22,493.56/31,043.86 = 13,062.12/x
3. Step 3: Cross multiply
   22,493.56x = 31,043.86 × 13,062.12
4. Step 4: Simplify right side
   22,493.56x = 405,498,624.58
5. Step 5: Solve for x
   x = 405,498,624.58/22,493.56
6. Step 6: Final answer
   x = 18,027.32