Finding the Fourth Proportional to 2,014.38, 2,780.16 and 1,175.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.38 : 2,780.16 = 1,175.58 : x
2. Step 2: Convert to fraction form
   2,014.38/2,780.16 = 1,175.58/x
3. Step 3: Cross multiply
   2,014.38x = 2,780.16 × 1,175.58
4. Step 4: Simplify right side
   2,014.38x = 3,268,300.49
5. Step 5: Solve for x
   x = 3,268,300.49/2,014.38
6. Step 6: Final answer
   x = 1,622.48