Finding the Fourth Proportional to 42,011.83, 57,937.37 and 30,663.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.83 : 57,937.37 = 30,663.36 : x
2. Step 2: Convert to fraction form
   42,011.83/57,937.37 = 30,663.36/x
3. Step 3: Cross multiply
   42,011.83x = 57,937.37 × 30,663.36
4. Step 4: Simplify right side
   42,011.83x = 1,776,554,433.76
5. Step 5: Solve for x
   x = 1,776,554,433.76/42,011.83
6. Step 6: Final answer
   x = 42,287.00