Finding the Fourth Proportional to 30,777.30, 42,472.96 and 17,347.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,777.30 : 42,472.96 = 17,347.37 : x
2. Step 2: Convert to fraction form
   30,777.30/42,472.96 = 17,347.37/x
3. Step 3: Cross multiply
   30,777.30x = 42,472.96 × 17,347.37
4. Step 4: Simplify right side
   30,777.30x = 736,793,896.38
5. Step 5: Solve for x
   x = 736,793,896.38/30,777.30
6. Step 6: Final answer
   x = 23,939.52