Finding the Fourth Proportional to 42,018, 57,986.04 and 23,156.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018 : 57,986.04 = 23,156.34 : x
2. Step 2: Convert to fraction form
   42,018/57,986.04 = 23,156.34/x
3. Step 3: Cross multiply
   42,018x = 57,986.04 × 23,156.34
4. Step 4: Simplify right side
   42,018x = 1,342,744,457.49
5. Step 5: Solve for x
   x = 1,342,744,457.49/42,018
6. Step 6: Final answer
   x = 31,956.41