Finding the Fourth Proportional to 58,738.57, 81,059.31 and 31,881.07

Step by Step Solution

1. Step 1: Write the proportion equation
   58,738.57 : 81,059.31 = 31,881.07 : x
2. Step 2: Convert to fraction form
   58,738.57/81,059.31 = 31,881.07/x
3. Step 3: Cross multiply
   58,738.57x = 81,059.31 × 31,881.07
4. Step 4: Simplify right side
   58,738.57x = 2,584,257,637.59
5. Step 5: Solve for x
   x = 2,584,257,637.59/58,738.57
6. Step 6: Final answer
   x = 43,995.92