Finding the Fourth Proportional to 2,531.07, 3,796.20 and 800.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.07 : 3,796.20 = 800.10 : x
2. Step 2: Convert to fraction form
   2,531.07/3,796.20 = 800.10/x
3. Step 3: Cross multiply
   2,531.07x = 3,796.20 × 800.10
4. Step 4: Simplify right side
   2,531.07x = 3,037,339.62
5. Step 5: Solve for x
   x = 3,037,339.62/2,531.07
6. Step 6: Final answer
   x = 1,200.02