Finding the Fourth Proportional to 2,771.34, 4,153.53 and 1,385.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.34 : 4,153.53 = 1,385.06 : x
2. Step 2: Convert to fraction form
   2,771.34/4,153.53 = 1,385.06/x
3. Step 3: Cross multiply
   2,771.34x = 4,153.53 × 1,385.06
4. Step 4: Simplify right side
   2,771.34x = 5,752,903.84
5. Step 5: Solve for x
   x = 5,752,903.84/2,771.34
6. Step 6: Final answer
   x = 2,075.86