Finding the Fourth Proportional to 38,456.56, 53,074.91 and 22,320.42

Step by Step Solution

1. Step 1: Write the proportion equation
   38,456.56 : 53,074.91 = 22,320.42 : x
2. Step 2: Convert to fraction form
   38,456.56/53,074.91 = 22,320.42/x
3. Step 3: Cross multiply
   38,456.56x = 53,074.91 × 22,320.42
4. Step 4: Simplify right side
   38,456.56x = 1,184,654,282.66
5. Step 5: Solve for x
   x = 1,184,654,282.66/38,456.56
6. Step 6: Final answer
   x = 30,805.00