Finding the Fourth Proportional to 42,017.74, 57,983.82 and 23,155.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.74 : 57,983.82 = 23,155.54 : x
2. Step 2: Convert to fraction form
   42,017.74/57,983.82 = 23,155.54/x
3. Step 3: Cross multiply
   42,017.74x = 57,983.82 × 23,155.54
4. Step 4: Simplify right side
   42,017.74x = 1,342,646,663.36
5. Step 5: Solve for x
   x = 1,342,646,663.36/42,017.74
6. Step 6: Final answer
   x = 31,954.28