Finding the Fourth Proportional to 30,499.18, 42,089.07 and 17,071.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.18 : 42,089.07 = 17,071.67 : x
2. Step 2: Convert to fraction form
   30,499.18/42,089.07 = 17,071.67/x
3. Step 3: Cross multiply
   30,499.18x = 42,089.07 × 17,071.67
4. Step 4: Simplify right side
   30,499.18x = 718,530,882.89
5. Step 5: Solve for x
   x = 718,530,882.89/30,499.18
6. Step 6: Final answer
   x = 23,559.02