Finding the Fourth Proportional to 42,426.63, 63,664.43 and 22,716.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,426.63 : 63,664.43 = 22,716.18 : x
2. Step 2: Convert to fraction form
   42,426.63/63,664.43 = 22,716.18/x
3. Step 3: Cross multiply
   42,426.63x = 63,664.43 × 22,716.18
4. Step 4: Simplify right side
   42,426.63x = 1,446,212,537.90
5. Step 5: Solve for x
   x = 1,446,212,537.90/42,426.63
6. Step 6: Final answer
   x = 34,087.38