Finding the Fourth Proportional to 2,075.12, 2,862.72 and 1,376.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.12 : 2,862.72 = 1,376.96 : x
2. Step 2: Convert to fraction form
   2,075.12/2,862.72 = 1,376.96/x
3. Step 3: Cross multiply
   2,075.12x = 2,862.72 × 1,376.96
4. Step 4: Simplify right side
   2,075.12x = 3,941,850.93
5. Step 5: Solve for x
   x = 3,941,850.93/2,075.12
6. Step 6: Final answer
   x = 1,899.58