Finding the Fourth Proportional to 58,871.52, 81,243.50 and 33,721

Step by Step Solution

1. Step 1: Write the proportion equation
   58,871.52 : 81,243.50 = 33,721 : x
2. Step 2: Convert to fraction form
   58,871.52/81,243.50 = 33,721/x
3. Step 3: Cross multiply
   58,871.52x = 81,243.50 × 33,721
4. Step 4: Simplify right side
   58,871.52x = 2,739,612,063.50
5. Step 5: Solve for x
   x = 2,739,612,063.50/58,871.52
6. Step 6: Final answer
   x = 46,535.44