Finding the Fourth Proportional to 57,828.27, 86,683.32 and 32,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,828.27 : 86,683.32 = 32,815.50 : x
2. Step 2: Convert to fraction form
   57,828.27/86,683.32 = 32,815.50/x
3. Step 3: Cross multiply
   57,828.27x = 86,683.32 × 32,815.50
4. Step 4: Simplify right side
   57,828.27x = 2,844,556,487.46
5. Step 5: Solve for x
   x = 2,844,556,487.46/57,828.27
6. Step 6: Final answer
   x = 49,189.72