Finding the Fourth Proportional to 3,555.59, 5,333.59 and 1,090.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.59 : 5,333.59 = 1,090.43 : x
2. Step 2: Convert to fraction form
   3,555.59/5,333.59 = 1,090.43/x
3. Step 3: Cross multiply
   3,555.59x = 5,333.59 × 1,090.43
4. Step 4: Simplify right side
   3,555.59x = 5,815,921.24
5. Step 5: Solve for x
   x = 5,815,921.24/3,555.59
6. Step 6: Final answer
   x = 1,635.71