Finding the Fourth Proportional to 2,084.72, 2,877.42 and 1,421.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.72 : 2,877.42 = 1,421.84 : x
2. Step 2: Convert to fraction form
   2,084.72/2,877.42 = 1,421.84/x
3. Step 3: Cross multiply
   2,084.72x = 2,877.42 × 1,421.84
4. Step 4: Simplify right side
   2,084.72x = 4,091,230.85
5. Step 5: Solve for x
   x = 4,091,230.85/2,084.72
6. Step 6: Final answer
   x = 1,962.48