Finding the Fourth Proportional to 30,769.71, 42,462.18 and 16,622.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,769.71 : 42,462.18 = 16,622.52 : x
2. Step 2: Convert to fraction form
   30,769.71/42,462.18 = 16,622.52/x
3. Step 3: Cross multiply
   30,769.71x = 42,462.18 × 16,622.52
4. Step 4: Simplify right side
   30,769.71x = 705,828,436.29
5. Step 5: Solve for x
   x = 705,828,436.29/30,769.71
6. Step 6: Final answer
   x = 22,939.07