Finding the Fourth Proportional to 30,585.69, 42,204.83 and 17,154.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,585.69 : 42,204.83 = 17,154.18 : x
2. Step 2: Convert to fraction form
   30,585.69/42,204.83 = 17,154.18/x
3. Step 3: Cross multiply
   30,585.69x = 42,204.83 × 17,154.18
4. Step 4: Simplify right side
   30,585.69x = 723,989,164.92
5. Step 5: Solve for x
   x = 723,989,164.92/30,585.69
6. Step 6: Final answer
   x = 23,670.85