Finding the Fourth Proportional to 30,622.58, 42,269.81 and 18,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,622.58 : 42,269.81 = 18,046.50 : x
2. Step 2: Convert to fraction form
   30,622.58/42,269.81 = 18,046.50/x
3. Step 3: Cross multiply
   30,622.58x = 42,269.81 × 18,046.50
4. Step 4: Simplify right side
   30,622.58x = 762,822,126.17
5. Step 5: Solve for x
   x = 762,822,126.17/30,622.58
6. Step 6: Final answer
   x = 24,910.45