Finding the Fourth Proportional to 42,317.22, 63,513.90 and 22,612.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,317.22 : 63,513.90 = 22,612.62 : x
2. Step 2: Convert to fraction form
   42,317.22/63,513.90 = 22,612.62/x
3. Step 3: Cross multiply
   42,317.22x = 63,513.90 × 22,612.62
4. Step 4: Simplify right side
   42,317.22x = 1,436,215,685.42
5. Step 5: Solve for x
   x = 1,436,215,685.42/42,317.22
6. Step 6: Final answer
   x = 33,939.27