Finding the Fourth Proportional to 1,599.54, 2,393.61 and 1,106.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,599.54 : 2,393.61 = 1,106.05 : x
2. Step 2: Convert to fraction form
   1,599.54/2,393.61 = 1,106.05/x
3. Step 3: Cross multiply
   1,599.54x = 2,393.61 × 1,106.05
4. Step 4: Simplify right side
   1,599.54x = 2,647,443.59
5. Step 5: Solve for x
   x = 2,647,443.59/1,599.54
6. Step 6: Final answer
   x = 1,655.13