Finding the Fourth Proportional to 2,075.92, 2,864.74 and 1,191.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.92 : 2,864.74 = 1,191.76 : x
2. Step 2: Convert to fraction form
   2,075.92/2,864.74 = 1,191.76/x
3. Step 3: Cross multiply
   2,075.92x = 2,864.74 × 1,191.76
4. Step 4: Simplify right side
   2,075.92x = 3,414,082.54
5. Step 5: Solve for x
   x = 3,414,082.54/2,075.92
6. Step 6: Final answer
   x = 1,644.61