Finding the Fourth Proportional to 1,499.75, 2,250.28 and 805.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.75 : 2,250.28 = 805.61 : x
2. Step 2: Convert to fraction form
   1,499.75/2,250.28 = 805.61/x
3. Step 3: Cross multiply
   1,499.75x = 2,250.28 × 805.61
4. Step 4: Simplify right side
   1,499.75x = 1,812,846.06
5. Step 5: Solve for x
   x = 1,812,846.06/1,499.75
6. Step 6: Final answer
   x = 1,208.76