Finding the Fourth Proportional to 2,172.84, 3,256.83 and 941.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.84 : 3,256.83 = 941.28 : x
2. Step 2: Convert to fraction form
   2,172.84/3,256.83 = 941.28/x
3. Step 3: Cross multiply
   2,172.84x = 3,256.83 × 941.28
4. Step 4: Simplify right side
   2,172.84x = 3,065,588.94
5. Step 5: Solve for x
   x = 3,065,588.94/2,172.84
6. Step 6: Final answer
   x = 1,410.87