Finding the Fourth Proportional to 58,083.43, 87,105.69 and 18,631.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,083.43 : 87,105.69 = 18,631.18 : x
2. Step 2: Convert to fraction form
   58,083.43/87,105.69 = 18,631.18/x
3. Step 3: Cross multiply
   58,083.43x = 87,105.69 × 18,631.18
4. Step 4: Simplify right side
   58,083.43x = 1,622,881,789.41
5. Step 5: Solve for x
   x = 1,622,881,789.41/58,083.43
6. Step 6: Final answer
   x = 27,940.53