Finding the Fourth Proportional to 30,519.24, 42,114.42 and 17,088.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,519.24 : 42,114.42 = 17,088.18 : x
2. Step 2: Convert to fraction form
   30,519.24/42,114.42 = 17,088.18/x
3. Step 3: Cross multiply
   30,519.24x = 42,114.42 × 17,088.18
4. Step 4: Simplify right side
   30,519.24x = 719,658,789.56
5. Step 5: Solve for x
   x = 719,658,789.56/30,519.24
6. Step 6: Final answer
   x = 23,580.50