Finding the Fourth Proportional to 42,834.53, 63,945.21 and 37,231.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,834.53 : 63,945.21 = 37,231.02 : x
2. Step 2: Convert to fraction form
   42,834.53/63,945.21 = 37,231.02/x
3. Step 3: Cross multiply
   42,834.53x = 63,945.21 × 37,231.02
4. Step 4: Simplify right side
   42,834.53x = 2,380,745,392.41
5. Step 5: Solve for x
   x = 2,380,745,392.41/42,834.53
6. Step 6: Final answer
   x = 55,580.06