Finding the Fourth Proportional to 42,510.36, 58,745.34 and 31,881.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,510.36 : 58,745.34 = 31,881.72 : x
2. Step 2: Convert to fraction form
   42,510.36/58,745.34 = 31,881.72/x
3. Step 3: Cross multiply
   42,510.36x = 58,745.34 × 31,881.72
4. Step 4: Simplify right side
   42,510.36x = 1,872,902,481.18
5. Step 5: Solve for x
   x = 1,872,902,481.18/42,510.36
6. Step 6: Final answer
   x = 44,057.55