Finding the Fourth Proportional to 28,496.67, 42,757.31 and 15,346.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,496.67 : 42,757.31 = 15,346.42 : x
2. Step 2: Convert to fraction form
   28,496.67/42,757.31 = 15,346.42/x
3. Step 3: Cross multiply
   28,496.67x = 42,757.31 × 15,346.42
4. Step 4: Simplify right side
   28,496.67x = 656,171,637.33
5. Step 5: Solve for x
   x = 656,171,637.33/28,496.67
6. Step 6: Final answer
   x = 23,026.26