Finding the Fourth Proportional to 58,489.69, 80,715.73 and 31,632.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,489.69 : 80,715.73 = 31,632.28 : x
2. Step 2: Convert to fraction form
   58,489.69/80,715.73 = 31,632.28/x
3. Step 3: Cross multiply
   58,489.69x = 80,715.73 × 31,632.28
4. Step 4: Simplify right side
   58,489.69x = 2,553,222,571.76
5. Step 5: Solve for x
   x = 2,553,222,571.76/58,489.69
6. Step 6: Final answer
   x = 43,652.52