Finding the Fourth Proportional to 3,555.34, 5,333.24 and 1,091.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.34 : 5,333.24 = 1,091.88 : x
2. Step 2: Convert to fraction form
   3,555.34/5,333.24 = 1,091.88/x
3. Step 3: Cross multiply
   3,555.34x = 5,333.24 × 1,091.88
4. Step 4: Simplify right side
   3,555.34x = 5,823,260.82
5. Step 5: Solve for x
   x = 5,823,260.82/3,555.34
6. Step 6: Final answer
   x = 1,637.89