Finding the Fourth Proportional to 30,817.10, 42,529.59 and 17,383.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,817.10 : 42,529.59 = 17,383.46 : x
2. Step 2: Convert to fraction form
   30,817.10/42,529.59 = 17,383.46/x
3. Step 3: Cross multiply
   30,817.10x = 42,529.59 × 17,383.46
4. Step 4: Simplify right side
   30,817.10x = 739,311,213.93
5. Step 5: Solve for x
   x = 739,311,213.93/30,817.10
6. Step 6: Final answer
   x = 23,990.29