Finding the Fourth Proportional to 42,011.25, 57,975.71 and 23,147.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.25 : 57,975.71 = 23,147.97 : x
2. Step 2: Convert to fraction form
   42,011.25/57,975.71 = 23,147.97/x
3. Step 3: Cross multiply
   42,011.25x = 57,975.71 × 23,147.97
4. Step 4: Simplify right side
   42,011.25x = 1,342,019,880.07
5. Step 5: Solve for x
   x = 1,342,019,880.07/42,011.25
6. Step 6: Final answer
   x = 31,944.30