Finding the Fourth Proportional to 30,819.74, 42,530.82 and 17,207.99

Step by Step Solution

1. Step 1: Write the proportion equation
   30,819.74 : 42,530.82 = 17,207.99 : x
2. Step 2: Convert to fraction form
   30,819.74/42,530.82 = 17,207.99/x
3. Step 3: Cross multiply
   30,819.74x = 42,530.82 × 17,207.99
4. Step 4: Simplify right side
   30,819.74x = 731,870,012.33
5. Step 5: Solve for x
   x = 731,870,012.33/30,819.74
6. Step 6: Final answer
   x = 23,746.79