Finding the Fourth Proportional to 1,500.10, 2,250.79 and 805.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.10 : 2,250.79 = 805.95 : x
2. Step 2: Convert to fraction form
   1,500.10/2,250.79 = 805.95/x
3. Step 3: Cross multiply
   1,500.10x = 2,250.79 × 805.95
4. Step 4: Simplify right side
   1,500.10x = 1,814,024.20
5. Step 5: Solve for x
   x = 1,814,024.20/1,500.10
6. Step 6: Final answer
   x = 1,209.27