Finding the Fourth Proportional to 30,505.29, 42,091.74 and 17,582.55

Step by Step Solution

1. Step 1: Write the proportion equation
   30,505.29 : 42,091.74 = 17,582.55 : x
2. Step 2: Convert to fraction form
   30,505.29/42,091.74 = 17,582.55/x
3. Step 3: Cross multiply
   30,505.29x = 42,091.74 × 17,582.55
4. Step 4: Simplify right side
   30,505.29x = 740,080,123.14
5. Step 5: Solve for x
   x = 740,080,123.14/30,505.29
6. Step 6: Final answer
   x = 24,260.71