Finding the Fourth Proportional to 30,580.62, 42,181.83 and 22,095.20

Step by Step Solution

1. Step 1: Write the proportion equation
   30,580.62 : 42,181.83 = 22,095.20 : x
2. Step 2: Convert to fraction form
   30,580.62/42,181.83 = 22,095.20/x
3. Step 3: Cross multiply
   30,580.62x = 42,181.83 × 22,095.20
4. Step 4: Simplify right side
   30,580.62x = 932,015,759.31
5. Step 5: Solve for x
   x = 932,015,759.31/30,580.62
6. Step 6: Final answer
   x = 30,477.33