Finding the Fourth Proportional to 58,568.77, 80,824.78 and 31,711.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,568.77 : 80,824.78 = 31,711.30 : x
2. Step 2: Convert to fraction form
   58,568.77/80,824.78 = 31,711.30/x
3. Step 3: Cross multiply
   58,568.77x = 80,824.78 × 31,711.30
4. Step 4: Simplify right side
   58,568.77x = 2,563,058,846.01
5. Step 5: Solve for x
   x = 2,563,058,846.01/58,568.77
6. Step 6: Final answer
   x = 43,761.53