Finding the Fourth Proportional to 2,356.67, 3,534.03 and 1,022.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.67 : 3,534.03 = 1,022.55 : x
2. Step 2: Convert to fraction form
   2,356.67/3,534.03 = 1,022.55/x
3. Step 3: Cross multiply
   2,356.67x = 3,534.03 × 1,022.55
4. Step 4: Simplify right side
   2,356.67x = 3,613,714.82
5. Step 5: Solve for x
   x = 3,613,714.82/2,356.67
6. Step 6: Final answer
   x = 1,533.40