Finding the Fourth Proportional to 2,072, 2,858.72 and 1,175.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072 : 2,858.72 = 1,175.59 : x
2. Step 2: Convert to fraction form
   2,072/2,858.72 = 1,175.59/x
3. Step 3: Cross multiply
   2,072x = 2,858.72 × 1,175.59
4. Step 4: Simplify right side
   2,072x = 3,360,676.77
5. Step 5: Solve for x
   x = 3,360,676.77/2,072
6. Step 6: Final answer
   x = 1,621.95