Finding the Fourth Proportional to 42,727.29, 64,118.47 and 23,019.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,727.29 : 64,118.47 = 23,019.58 : x
2. Step 2: Convert to fraction form
   42,727.29/64,118.47 = 23,019.58/x
3. Step 3: Cross multiply
   42,727.29x = 64,118.47 × 23,019.58
4. Step 4: Simplify right side
   42,727.29x = 1,475,980,249.64
5. Step 5: Solve for x
   x = 1,475,980,249.64/42,727.29
6. Step 6: Final answer
   x = 34,544.20