Finding the Fourth Proportional to 2,124.80, 3,191.04 and 1,395.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.80 : 3,191.04 = 1,395.84 : x
2. Step 2: Convert to fraction form
   2,124.80/3,191.04 = 1,395.84/x
3. Step 3: Cross multiply
   2,124.80x = 3,191.04 × 1,395.84
4. Step 4: Simplify right side
   2,124.80x = 4,454,181.27
5. Step 5: Solve for x
   x = 4,454,181.27/2,124.80
6. Step 6: Final answer
   x = 2,096.28