Finding the Fourth Proportional to 42,659.47, 63,937.31 and 30,183.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,659.47 : 63,937.31 = 30,183.09 : x
2. Step 2: Convert to fraction form
   42,659.47/63,937.31 = 30,183.09/x
3. Step 3: Cross multiply
   42,659.47x = 63,937.31 × 30,183.09
4. Step 4: Simplify right side
   42,659.47x = 1,929,825,657.55
5. Step 5: Solve for x
   x = 1,929,825,657.55/42,659.47
6. Step 6: Final answer
   x = 45,237.92