Finding the Fourth Proportional to 2,175.56, 3,002.10 and 1,291.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.56 : 3,002.10 = 1,291.58 : x
2. Step 2: Convert to fraction form
   2,175.56/3,002.10 = 1,291.58/x
3. Step 3: Cross multiply
   2,175.56x = 3,002.10 × 1,291.58
4. Step 4: Simplify right side
   2,175.56x = 3,877,452.32
5. Step 5: Solve for x
   x = 3,877,452.32/2,175.56
6. Step 6: Final answer
   x = 1,782.28