Finding the Fourth Proportional to 42,011.16, 57,974.24 and 23,148.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,011.16 : 57,974.24 = 23,148.12 : x
2. Step 2: Convert to fraction form
   42,011.16/57,974.24 = 23,148.12/x
3. Step 3: Cross multiply
   42,011.16x = 57,974.24 × 23,148.12
4. Step 4: Simplify right side
   42,011.16x = 1,341,994,664.43
5. Step 5: Solve for x
   x = 1,341,994,664.43/42,011.16
6. Step 6: Final answer
   x = 31,943.77