Finding the Fourth Proportional to 42,011.73, 57,976.37 and 23,148.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.73 : 57,976.37 = 23,148.86 : x
2. Step 2: Convert to fraction form
   42,011.73/57,976.37 = 23,148.86/x
3. Step 3: Cross multiply
   42,011.73x = 57,976.37 × 23,148.86
4. Step 4: Simplify right side
   42,011.73x = 1,342,086,466.81
5. Step 5: Solve for x
   x = 1,342,086,466.81/42,011.73
6. Step 6: Final answer
   x = 31,945.52