Finding the Fourth Proportional to 2,146.52, 2,961.76 and 1,214.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.52 : 2,961.76 = 1,214.84 : x
2. Step 2: Convert to fraction form
   2,146.52/2,961.76 = 1,214.84/x
3. Step 3: Cross multiply
   2,146.52x = 2,961.76 × 1,214.84
4. Step 4: Simplify right side
   2,146.52x = 3,598,064.52
5. Step 5: Solve for x
   x = 3,598,064.52/2,146.52
6. Step 6: Final answer
   x = 1,676.23