Finding the Fourth Proportional to 42,796.33, 64,256.81 and 30,382.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,796.33 : 64,256.81 = 30,382.27 : x
2. Step 2: Convert to fraction form
   42,796.33/64,256.81 = 30,382.27/x
3. Step 3: Cross multiply
   42,796.33x = 64,256.81 × 30,382.27
4. Step 4: Simplify right side
   42,796.33x = 1,952,267,438.21
5. Step 5: Solve for x
   x = 1,952,267,438.21/42,796.33
6. Step 6: Final answer
   x = 45,617.64