Finding the Fourth Proportional to 30,656.34, 42,306.98 and 17,227.55

Step by Step Solution

1. Step 1: Write the proportion equation
   30,656.34 : 42,306.98 = 17,227.55 : x
2. Step 2: Convert to fraction form
   30,656.34/42,306.98 = 17,227.55/x
3. Step 3: Cross multiply
   30,656.34x = 42,306.98 × 17,227.55
4. Step 4: Simplify right side
   30,656.34x = 728,845,613.30
5. Step 5: Solve for x
   x = 728,845,613.30/30,656.34
6. Step 6: Final answer
   x = 23,774.71