Finding the Fourth Proportional to 1,771.34, 2,653.36 and 1,380.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.34 : 2,653.36 = 1,380.92 : x
2. Step 2: Convert to fraction form
   1,771.34/2,653.36 = 1,380.92/x
3. Step 3: Cross multiply
   1,771.34x = 2,653.36 × 1,380.92
4. Step 4: Simplify right side
   1,771.34x = 3,664,077.89
5. Step 5: Solve for x
   x = 3,664,077.89/1,771.34
6. Step 6: Final answer
   x = 2,068.53