Finding the Fourth Proportional to 42,673.50, 64,048.32 and 22,426.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,673.50 : 64,048.32 = 22,426.74 : x
2. Step 2: Convert to fraction form
   42,673.50/64,048.32 = 22,426.74/x
3. Step 3: Cross multiply
   42,673.50x = 64,048.32 × 22,426.74
4. Step 4: Simplify right side
   42,673.50x = 1,436,395,020.08
5. Step 5: Solve for x
   x = 1,436,395,020.08/42,673.50
6. Step 6: Final answer
   x = 33,660.12