Finding the Fourth Proportional to 30,565.91, 42,182.69 and 17,141.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,565.91 : 42,182.69 = 17,141.46 : x
2. Step 2: Convert to fraction form
   30,565.91/42,182.69 = 17,141.46/x
3. Step 3: Cross multiply
   30,565.91x = 42,182.69 × 17,141.46
4. Step 4: Simplify right side
   30,565.91x = 723,072,807.62
5. Step 5: Solve for x
   x = 723,072,807.62/30,565.91
6. Step 6: Final answer
   x = 23,656.19