Finding the Fourth Proportional to 30,913.85, 42,661.88 and 17,484.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,913.85 : 42,661.88 = 17,484.46 : x
2. Step 2: Convert to fraction form
   30,913.85/42,661.88 = 17,484.46/x
3. Step 3: Cross multiply
   30,913.85x = 42,661.88 × 17,484.46
4. Step 4: Simplify right side
   30,913.85x = 745,919,934.38
5. Step 5: Solve for x
   x = 745,919,934.38/30,913.85
6. Step 6: Final answer
   x = 24,128.99