Finding the Fourth Proportional to 30,530.94, 42,131.54 and 17,101.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,530.94 : 42,131.54 = 17,101.54 : x
2. Step 2: Convert to fraction form
   30,530.94/42,131.54 = 17,101.54/x
3. Step 3: Cross multiply
   30,530.94x = 42,131.54 × 17,101.54
4. Step 4: Simplify right side
   30,530.94x = 720,514,216.57
5. Step 5: Solve for x
   x = 720,514,216.57/30,530.94
6. Step 6: Final answer
   x = 23,599.48