Finding the Fourth Proportional to 1,341.70, 1,853.86 and 1,108.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.70 : 1,853.86 = 1,108.42 : x
2. Step 2: Convert to fraction form
   1,341.70/1,853.86 = 1,108.42/x
3. Step 3: Cross multiply
   1,341.70x = 1,853.86 × 1,108.42
4. Step 4: Simplify right side
   1,341.70x = 2,054,855.50
5. Step 5: Solve for x
   x = 2,054,855.50/1,341.70
6. Step 6: Final answer
   x = 1,531.53