Finding the Fourth Proportional to 28,327.23, 42,426.18 and 13,546.58

Step by Step Solution

1. Step 1: Write the proportion equation
   28,327.23 : 42,426.18 = 13,546.58 : x
2. Step 2: Convert to fraction form
   28,327.23/42,426.18 = 13,546.58/x
3. Step 3: Cross multiply
   28,327.23x = 42,426.18 × 13,546.58
4. Step 4: Simplify right side
   28,327.23x = 574,729,429.33
5. Step 5: Solve for x
   x = 574,729,429.33/28,327.23
6. Step 6: Final answer
   x = 20,288.94