Finding the Fourth Proportional to 30,503.34, 42,089.04 and 17,074.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,503.34 : 42,089.04 = 17,074.80 : x
2. Step 2: Convert to fraction form
   30,503.34/42,089.04 = 17,074.80/x
3. Step 3: Cross multiply
   30,503.34x = 42,089.04 × 17,074.80
4. Step 4: Simplify right side
   30,503.34x = 718,661,940.19
5. Step 5: Solve for x
   x = 718,661,940.19/30,503.34
6. Step 6: Final answer
   x = 23,560.11