Finding the Fourth Proportional to 30,550.50, 42,156.99 and 17,117.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,550.50 : 42,156.99 = 17,117.46 : x
2. Step 2: Convert to fraction form
   30,550.50/42,156.99 = 17,117.46/x
3. Step 3: Cross multiply
   30,550.50x = 42,156.99 × 17,117.46
4. Step 4: Simplify right side
   30,550.50x = 721,620,590.05
5. Step 5: Solve for x
   x = 721,620,590.05/30,550.50
6. Step 6: Final answer
   x = 23,620.58