Finding the Fourth Proportional to 42,005.46, 57,967.50 and 23,142.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,005.46 : 57,967.50 = 23,142.59 : x
2. Step 2: Convert to fraction form
   42,005.46/57,967.50 = 23,142.59/x
3. Step 3: Cross multiply
   42,005.46x = 57,967.50 × 23,142.59
4. Step 4: Simplify right side
   42,005.46x = 1,341,517,795.99
5. Step 5: Solve for x
   x = 1,341,517,795.99/42,005.46
6. Step 6: Final answer
   x = 31,936.75