Finding the Fourth Proportional to 42,008.83, 57,933.23 and 30,660.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,008.83 : 57,933.23 = 30,660.36 : x
2. Step 2: Convert to fraction form
   42,008.83/57,933.23 = 30,660.36/x
3. Step 3: Cross multiply
   42,008.83x = 57,933.23 × 30,660.36
4. Step 4: Simplify right side
   42,008.83x = 1,776,253,598.30
5. Step 5: Solve for x
   x = 1,776,253,598.30/42,008.83
6. Step 6: Final answer
   x = 42,282.86