Finding the Fourth Proportional to 30,913.75, 42,658.68 and 17,300.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,913.75 : 42,658.68 = 17,300.00 : x
2. Step 2: Convert to fraction form
   30,913.75/42,658.68 = 17,300.00/x
3. Step 3: Cross multiply
   30,913.75x = 42,658.68 × 17,300.00
4. Step 4: Simplify right side
   30,913.75x = 737,995,270.65
5. Step 5: Solve for x
   x = 737,995,270.65/30,913.75
6. Step 6: Final answer
   x = 23,872.72