Finding the Fourth Proportional to 58,564.78, 80,819.43 and 31,707.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,564.78 : 80,819.43 = 31,707.30 : x
2. Step 2: Convert to fraction form
   58,564.78/80,819.43 = 31,707.30/x
3. Step 3: Cross multiply
   58,564.78x = 80,819.43 × 31,707.30
4. Step 4: Simplify right side
   58,564.78x = 2,562,565,912.84
5. Step 5: Solve for x
   x = 2,562,565,912.84/58,564.78
6. Step 6: Final answer
   x = 43,756.09