Finding the Fourth Proportional to 30,584.79, 42,204.18 and 17,153.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,584.79 : 42,204.18 = 17,153.46 : x
2. Step 2: Convert to fraction form
   30,584.79/42,204.18 = 17,153.46/x
3. Step 3: Cross multiply
   30,584.79x = 42,204.18 × 17,153.46
4. Step 4: Simplify right side
   30,584.79x = 723,947,713.46
5. Step 5: Solve for x
   x = 723,947,713.46/30,584.79
6. Step 6: Final answer
   x = 23,670.19