Finding the Fourth Proportional to 30,772.52, 42,465.30 and 17,343.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,772.52 : 42,465.30 = 17,343.56 : x
2. Step 2: Convert to fraction form
   30,772.52/42,465.30 = 17,343.56/x
3. Step 3: Cross multiply
   30,772.52x = 42,465.30 × 17,343.56
4. Step 4: Simplify right side
   30,772.52x = 736,499,478.47
5. Step 5: Solve for x
   x = 736,499,478.47/30,772.52
6. Step 6: Final answer
   x = 23,933.67