Finding the Fourth Proportional to 42,722.74, 64,087.25 and 16,427.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,722.74 : 64,087.25 = 16,427.51 : x
2. Step 2: Convert to fraction form
   42,722.74/64,087.25 = 16,427.51/x
3. Step 3: Cross multiply
   42,722.74x = 64,087.25 × 16,427.51
4. Step 4: Simplify right side
   42,722.74x = 1,052,793,870.41
5. Step 5: Solve for x
   x = 1,052,793,870.41/42,722.74
6. Step 6: Final answer
   x = 24,642.47