Finding the Fourth Proportional to 30,499.62, 42,089.46 and 17,071.44

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.62 : 42,089.46 = 17,071.44 : x
2. Step 2: Convert to fraction form
   30,499.62/42,089.46 = 17,071.44/x
3. Step 3: Cross multiply
   30,499.62x = 42,089.46 × 17,071.44
4. Step 4: Simplify right side
   30,499.62x = 718,527,691.02
5. Step 5: Solve for x
   x = 718,527,691.02/30,499.62
6. Step 6: Final answer
   x = 23,558.58