Finding the Fourth Proportional to 42,123.36, 58,130.43 and 23,003.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.36 : 58,130.43 = 23,003.55 : x
2. Step 2: Convert to fraction form
   42,123.36/58,130.43 = 23,003.55/x
3. Step 3: Cross multiply
   42,123.36x = 58,130.43 × 23,003.55
4. Step 4: Simplify right side
   42,123.36x = 1,337,206,253.03
5. Step 5: Solve for x
   x = 1,337,206,253.03/42,123.36
6. Step 6: Final answer
   x = 31,745.00