Finding the Fourth Proportional to 30,542.65, 42,105.49 and 22,462.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,542.65 : 42,105.49 = 22,462.02 : x
2. Step 2: Convert to fraction form
   30,542.65/42,105.49 = 22,462.02/x
3. Step 3: Cross multiply
   30,542.65x = 42,105.49 × 22,462.02
4. Step 4: Simplify right side
   30,542.65x = 945,774,302.33
5. Step 5: Solve for x
   x = 945,774,302.33/30,542.65
6. Step 6: Final answer
   x = 30,965.69