Finding the Fourth Proportional to 30,910.43, 42,656.11 and 17,484.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.43 : 42,656.11 = 17,484.31 : x
2. Step 2: Convert to fraction form
   30,910.43/42,656.11 = 17,484.31/x
3. Step 3: Cross multiply
   30,910.43x = 42,656.11 × 17,484.31
4. Step 4: Simplify right side
   30,910.43x = 745,812,500.28
5. Step 5: Solve for x
   x = 745,812,500.28/30,910.43
6. Step 6: Final answer
   x = 24,128.18