Finding the Fourth Proportional to 3,747.60, 5,171.64 and 2,068.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.60 : 5,171.64 = 2,068.98 : x
2. Step 2: Convert to fraction form
   3,747.60/5,171.64 = 2,068.98/x
3. Step 3: Cross multiply
   3,747.60x = 5,171.64 × 2,068.98
4. Step 4: Simplify right side
   3,747.60x = 10,700,019.73
5. Step 5: Solve for x
   x = 10,700,019.73/3,747.60
6. Step 6: Final answer
   x = 2,855.17