Finding the Fourth Proportional to 2,360.35, 3,540.49 and 800.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.35 : 3,540.49 = 800.34 : x
2. Step 2: Convert to fraction form
   2,360.35/3,540.49 = 800.34/x
3. Step 3: Cross multiply
   2,360.35x = 3,540.49 × 800.34
4. Step 4: Simplify right side
   2,360.35x = 2,833,595.77
5. Step 5: Solve for x
   x = 2,833,595.77/2,360.35
6. Step 6: Final answer
   x = 1,200.50