Finding the Fourth Proportional to 57,794.50, 79,756.50 and 31,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,794.50 : 79,756.50 = 31,298.50 : x
2. Step 2: Convert to fraction form
   57,794.50/79,756.50 = 31,298.50/x
3. Step 3: Cross multiply
   57,794.50x = 79,756.50 × 31,298.50
4. Step 4: Simplify right side
   57,794.50x = 2,496,258,815.25
5. Step 5: Solve for x
   x = 2,496,258,815.25/57,794.50
6. Step 6: Final answer
   x = 43,191.98