Finding the Fourth Proportional to 58,496.16, 80,724.39 and 31,638.59

Step by Step Solution

1. Step 1: Write the proportion equation
   58,496.16 : 80,724.39 = 31,638.59 : x
2. Step 2: Convert to fraction form
   58,496.16/80,724.39 = 31,638.59/x
3. Step 3: Cross multiply
   58,496.16x = 80,724.39 × 31,638.59
4. Step 4: Simplify right side
   58,496.16x = 2,554,005,474.59
5. Step 5: Solve for x
   x = 2,554,005,474.59/58,496.16
6. Step 6: Final answer
   x = 43,661.08