Finding the Fourth Proportional to 2,146.30, 3,225.50 and 1,269.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.30 : 3,225.50 = 1,269.21 : x
2. Step 2: Convert to fraction form
   2,146.30/3,225.50 = 1,269.21/x
3. Step 3: Cross multiply
   2,146.30x = 3,225.50 × 1,269.21
4. Step 4: Simplify right side
   2,146.30x = 4,093,830.51
5. Step 5: Solve for x
   x = 4,093,830.51/2,146.30
6. Step 6: Final answer
   x = 1,907.39