Finding the Fourth Proportional to 1,409.59, 2,096.48 and 1,380.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.59 : 2,096.48 = 1,380.43 : x
2. Step 2: Convert to fraction form
   1,409.59/2,096.48 = 1,380.43/x
3. Step 3: Cross multiply
   1,409.59x = 2,096.48 × 1,380.43
4. Step 4: Simplify right side
   1,409.59x = 2,894,043.89
5. Step 5: Solve for x
   x = 2,894,043.89/1,409.59
6. Step 6: Final answer
   x = 2,053.11