Finding the Fourth Proportional to 42,895.25, 64,342.67 and 10,874.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,895.25 : 64,342.67 = 10,874.33 : x
2. Step 2: Convert to fraction form
   42,895.25/64,342.67 = 10,874.33/x
3. Step 3: Cross multiply
   42,895.25x = 64,342.67 × 10,874.33
4. Step 4: Simplify right side
   42,895.25x = 699,683,050.58
5. Step 5: Solve for x
   x = 699,683,050.58/42,895.25
6. Step 6: Final answer
   x = 16,311.44