Finding the Fourth Proportional to 2,075.69, 2,864.63 and 1,191.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.69 : 2,864.63 = 1,191.53 : x
2. Step 2: Convert to fraction form
   2,075.69/2,864.63 = 1,191.53/x
3. Step 3: Cross multiply
   2,075.69x = 2,864.63 × 1,191.53
4. Step 4: Simplify right side
   2,075.69x = 3,413,292.58
5. Step 5: Solve for x
   x = 3,413,292.58/2,075.69
6. Step 6: Final answer
   x = 1,644.41