Finding the Fourth Proportional to 30,943.94, 42,699.08 and 17,330.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,943.94 : 42,699.08 = 17,330.08 : x
2. Step 2: Convert to fraction form
   30,943.94/42,699.08 = 17,330.08/x
3. Step 3: Cross multiply
   30,943.94x = 42,699.08 × 17,330.08
4. Step 4: Simplify right side
   30,943.94x = 739,978,472.33
5. Step 5: Solve for x
   x = 739,978,472.33/30,943.94
6. Step 6: Final answer
   x = 23,913.52