Finding the Fourth Proportional to 42,754.12, 64,144.14 and 30,298.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,754.12 : 64,144.14 = 30,298.24 : x
2. Step 2: Convert to fraction form
   42,754.12/64,144.14 = 30,298.24/x
3. Step 3: Cross multiply
   42,754.12x = 64,144.14 × 30,298.24
4. Step 4: Simplify right side
   42,754.12x = 1,943,454,548.31
5. Step 5: Solve for x
   x = 1,943,454,548.31/42,754.12
6. Step 6: Final answer
   x = 45,456.54