Finding the Fourth Proportional to 57,847.50, 79,829.55 and 31,351.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,847.50 : 79,829.55 = 31,351.50 : x
2. Step 2: Convert to fraction form
   57,847.50/79,829.55 = 31,351.50/x
3. Step 3: Cross multiply
   57,847.50x = 79,829.55 × 31,351.50
4. Step 4: Simplify right side
   57,847.50x = 2,502,776,136.83
5. Step 5: Solve for x
   x = 2,502,776,136.83/57,847.50
6. Step 6: Final answer
   x = 43,265.07