Finding the Fourth Proportional to 2,114.40, 3,172.37 and 1,237.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.40 : 3,172.37 = 1,237.25 : x
2. Step 2: Convert to fraction form
   2,114.40/3,172.37 = 1,237.25/x
3. Step 3: Cross multiply
   2,114.40x = 3,172.37 × 1,237.25
4. Step 4: Simplify right side
   2,114.40x = 3,925,007.60
5. Step 5: Solve for x
   x = 3,925,007.60/2,114.40
6. Step 6: Final answer
   x = 1,856.32