Finding the Fourth Proportional to 58,495.80, 80,724.06 and 31,638.06

Step by Step Solution

1. Step 1: Write the proportion equation
   58,495.80 : 80,724.06 = 31,638.06 : x
2. Step 2: Convert to fraction form
   58,495.80/80,724.06 = 31,638.06/x
3. Step 3: Cross multiply
   58,495.80x = 80,724.06 × 31,638.06
4. Step 4: Simplify right side
   58,495.80x = 2,553,952,653.72
5. Step 5: Solve for x
   x = 2,553,952,653.72/58,495.80
6. Step 6: Final answer
   x = 43,660.44