Finding the Fourth Proportional to 57,236.41, 78,986.83 and 31,743.28

Step by Step Solution

1. Step 1: Write the proportion equation
   57,236.41 : 78,986.83 = 31,743.28 : x
2. Step 2: Convert to fraction form
   57,236.41/78,986.83 = 31,743.28/x
3. Step 3: Cross multiply
   57,236.41x = 78,986.83 × 31,743.28
4. Step 4: Simplify right side
   57,236.41x = 2,507,301,061.00
5. Step 5: Solve for x
   x = 2,507,301,061.00/57,236.41
6. Step 6: Final answer
   x = 43,806.05