Finding the Fourth Proportional to 58,661.28, 80,951.72 and 31,803.28

Step by Step Solution

1. Step 1: Write the proportion equation
   58,661.28 : 80,951.72 = 31,803.28 : x
2. Step 2: Convert to fraction form
   58,661.28/80,951.72 = 31,803.28/x
3. Step 3: Cross multiply
   58,661.28x = 80,951.72 × 31,803.28
4. Step 4: Simplify right side
   58,661.28x = 2,574,530,217.64
5. Step 5: Solve for x
   x = 2,574,530,217.64/58,661.28
6. Step 6: Final answer
   x = 43,888.07