Finding the Fourth Proportional to 42,001.37, 57,961.88 and 23,138.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,001.37 : 57,961.88 = 23,138.49 : x
2. Step 2: Convert to fraction form
   42,001.37/57,961.88 = 23,138.49/x
3. Step 3: Cross multiply
   42,001.37x = 57,961.88 × 23,138.49
4. Step 4: Simplify right side
   42,001.37x = 1,341,150,395.22
5. Step 5: Solve for x
   x = 1,341,150,395.22/42,001.37
6. Step 6: Final answer
   x = 31,931.11