Finding the Fourth Proportional to 2,075.10, 2,863.62 and 1,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.10 : 2,863.62 = 1,190.72 : x
2. Step 2: Convert to fraction form
   2,075.10/2,863.62 = 1,190.72/x
3. Step 3: Cross multiply
   2,075.10x = 2,863.62 × 1,190.72
4. Step 4: Simplify right side
   2,075.10x = 3,409,769.61
5. Step 5: Solve for x
   x = 3,409,769.61/2,075.10
6. Step 6: Final answer
   x = 1,643.18