Finding the Fourth Proportional to 3,747.50, 5,171.78 and 2,068.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.50 : 5,171.78 = 2,068.91 : x
2. Step 2: Convert to fraction form
   3,747.50/5,171.78 = 2,068.91/x
3. Step 3: Cross multiply
   3,747.50x = 5,171.78 × 2,068.91
4. Step 4: Simplify right side
   3,747.50x = 10,699,946.07
5. Step 5: Solve for x
   x = 10,699,946.07/3,747.50
6. Step 6: Final answer
   x = 2,855.22