Finding the Fourth Proportional to 2,075.15, 2,863.76 and 1,130.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.15 : 2,863.76 = 1,130.96 : x
2. Step 2: Convert to fraction form
   2,075.15/2,863.76 = 1,130.96/x
3. Step 3: Cross multiply
   2,075.15x = 2,863.76 × 1,130.96
4. Step 4: Simplify right side
   2,075.15x = 3,238,799.51
5. Step 5: Solve for x
   x = 3,238,799.51/2,075.15
6. Step 6: Final answer
   x = 1,560.75