Finding the Fourth Proportional to 42,262.56, 58,322.16 and 23,142.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,262.56 : 58,322.16 = 23,142.42 : x
2. Step 2: Convert to fraction form
   42,262.56/58,322.16 = 23,142.42/x
3. Step 3: Cross multiply
   42,262.56x = 58,322.16 × 23,142.42
4. Step 4: Simplify right side
   42,262.56x = 1,349,715,922.03
5. Step 5: Solve for x
   x = 1,349,715,922.03/42,262.56
6. Step 6: Final answer
   x = 31,936.44