Finding the Fourth Proportional to 1,886.69, 2,826.25 and 962.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.69 : 2,826.25 = 962.21 : x
2. Step 2: Convert to fraction form
   1,886.69/2,826.25 = 962.21/x
3. Step 3: Cross multiply
   1,886.69x = 2,826.25 × 962.21
4. Step 4: Simplify right side
   1,886.69x = 2,719,446.01
5. Step 5: Solve for x
   x = 2,719,446.01/1,886.69
6. Step 6: Final answer
   x = 1,441.38