Finding the Fourth Proportional to 30,572.34, 42,190.28 and 17,825.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,572.34 : 42,190.28 = 17,825.18 : x
2. Step 2: Convert to fraction form
   30,572.34/42,190.28 = 17,825.18/x
3. Step 3: Cross multiply
   30,572.34x = 42,190.28 × 17,825.18
4. Step 4: Simplify right side
   30,572.34x = 752,049,035.17
5. Step 5: Solve for x
   x = 752,049,035.17/30,572.34
6. Step 6: Final answer
   x = 24,599.00