Finding the Fourth Proportional to 1,799.31, 2,692.87 and 1,106.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.31 : 2,692.87 = 1,106.42 : x
2. Step 2: Convert to fraction form
   1,799.31/2,692.87 = 1,106.42/x
3. Step 3: Cross multiply
   1,799.31x = 2,692.87 × 1,106.42
4. Step 4: Simplify right side
   1,799.31x = 2,979,439.68
5. Step 5: Solve for x
   x = 2,979,439.68/1,799.31
6. Step 6: Final answer
   x = 1,655.88