Finding the Fourth Proportional to 2,103.95, 3,156.02 and 805.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.95 : 3,156.02 = 805.32 : x
2. Step 2: Convert to fraction form
   2,103.95/3,156.02 = 805.32/x
3. Step 3: Cross multiply
   2,103.95x = 3,156.02 × 805.32
4. Step 4: Simplify right side
   2,103.95x = 2,541,602.00
5. Step 5: Solve for x
   x = 2,541,602.00/2,103.95
6. Step 6: Final answer
   x = 1,208.02