Finding the Fourth Proportional to 58,673.28, 80,968.28 and 31,815.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,673.28 : 80,968.28 = 31,815.28 : x
2. Step 2: Convert to fraction form
   58,673.28/80,968.28 = 31,815.28/x
3. Step 3: Cross multiply
   58,673.28x = 80,968.28 × 31,815.28
4. Step 4: Simplify right side
   58,673.28x = 2,576,028,499.32
5. Step 5: Solve for x
   x = 2,576,028,499.32/58,673.28
6. Step 6: Final answer
   x = 43,904.63