Finding the Fourth Proportional to 42,011.48, 57,976.02 and 23,148.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.48 : 57,976.02 = 23,148.62 : x
2. Step 2: Convert to fraction form
   42,011.48/57,976.02 = 23,148.62/x
3. Step 3: Cross multiply
   42,011.48x = 57,976.02 × 23,148.62
4. Step 4: Simplify right side
   42,011.48x = 1,342,064,856.09
5. Step 5: Solve for x
   x = 1,342,064,856.09/42,011.48
6. Step 6: Final answer
   x = 31,945.19