Finding the Fourth Proportional to 2,015.14, 2,780.72 and 1,175.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.14 : 2,780.72 = 1,175.84 : x
2. Step 2: Convert to fraction form
   2,015.14/2,780.72 = 1,175.84/x
3. Step 3: Cross multiply
   2,015.14x = 2,780.72 × 1,175.84
4. Step 4: Simplify right side
   2,015.14x = 3,269,681.80
5. Step 5: Solve for x
   x = 3,269,681.80/2,015.14
6. Step 6: Final answer
   x = 1,622.56