Finding the Fourth Proportional to 42,767.25, 64,116.27 and 17,826.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,767.25 : 64,116.27 = 17,826.09 : x
2. Step 2: Convert to fraction form
   42,767.25/64,116.27 = 17,826.09/x
3. Step 3: Cross multiply
   42,767.25x = 64,116.27 × 17,826.09
4. Step 4: Simplify right side
   42,767.25x = 1,142,942,399.48
5. Step 5: Solve for x
   x = 1,142,942,399.48/42,767.25
6. Step 6: Final answer
   x = 26,724.71