Finding the Fourth Proportional to 38,435.20, 57,270.71 and 34,243

Step by Step Solution

1. Step 1: Write the proportion equation
   38,435.20 : 57,270.71 = 34,243 : x
2. Step 2: Convert to fraction form
   38,435.20/57,270.71 = 34,243/x
3. Step 3: Cross multiply
   38,435.20x = 57,270.71 × 34,243
4. Step 4: Simplify right side
   38,435.20x = 1,961,120,922.53
5. Step 5: Solve for x
   x = 1,961,120,922.53/38,435.20
6. Step 6: Final answer
   x = 51,024.09