Finding the Fourth Proportional to 42,673.52, 58,911.60 and 31,175.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,673.52 : 58,911.60 = 31,175.53 : x
2. Step 2: Convert to fraction form
   42,673.52/58,911.60 = 31,175.53/x
3. Step 3: Cross multiply
   42,673.52x = 58,911.60 × 31,175.53
4. Step 4: Simplify right side
   42,673.52x = 1,836,600,654.16
5. Step 5: Solve for x
   x = 1,836,600,654.16/42,673.52
6. Step 6: Final answer
   x = 43,038.42