Finding the Fourth Proportional to 30,451.05, 42,022.50 and 17,022.29

Step by Step Solution

1. Step 1: Write the proportion equation
   30,451.05 : 42,022.50 = 17,022.29 : x
2. Step 2: Convert to fraction form
   30,451.05/42,022.50 = 17,022.29/x
3. Step 3: Cross multiply
   30,451.05x = 42,022.50 × 17,022.29
4. Step 4: Simplify right side
   30,451.05x = 715,319,405.77
5. Step 5: Solve for x
   x = 715,319,405.77/30,451.05
6. Step 6: Final answer
   x = 23,490.80