Finding the Fourth Proportional to 58,478.72, 80,701.46 and 32,986.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,478.72 : 80,701.46 = 32,986.28 : x
2. Step 2: Convert to fraction form
   58,478.72/80,701.46 = 32,986.28/x
3. Step 3: Cross multiply
   58,478.72x = 80,701.46 × 32,986.28
4. Step 4: Simplify right side
   58,478.72x = 2,662,040,955.97
5. Step 5: Solve for x
   x = 2,662,040,955.97/58,478.72
6. Step 6: Final answer
   x = 45,521.53