Finding the Fourth Proportional to 3,766.25, 5,196.96 and 2,172.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.25 : 5,196.96 = 2,172.70 : x
2. Step 2: Convert to fraction form
   3,766.25/5,196.96 = 2,172.70/x
3. Step 3: Cross multiply
   3,766.25x = 5,196.96 × 2,172.70
4. Step 4: Simplify right side
   3,766.25x = 11,291,426.87
5. Step 5: Solve for x
   x = 11,291,426.87/3,766.25
6. Step 6: Final answer
   x = 2,998.06