Finding the Fourth Proportional to 58,500.56, 80,730.79 and 31,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,500.56 : 80,730.79 = 31,643.28 : x
2. Step 2: Convert to fraction form
   58,500.56/80,730.79 = 31,643.28/x
3. Step 3: Cross multiply
   58,500.56x = 80,730.79 × 31,643.28
4. Step 4: Simplify right side
   58,500.56x = 2,554,586,913.48
5. Step 5: Solve for x
   x = 2,554,586,913.48/58,500.56
6. Step 6: Final answer
   x = 43,667.73