Finding the Fourth Proportional to 1,498.06, 2,245.76 and 805.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.06 : 2,245.76 = 805.10 : x
2. Step 2: Convert to fraction form
   1,498.06/2,245.76 = 805.10/x
3. Step 3: Cross multiply
   1,498.06x = 2,245.76 × 805.10
4. Step 4: Simplify right side
   1,498.06x = 1,808,061.38
5. Step 5: Solve for x
   x = 1,808,061.38/1,498.06
6. Step 6: Final answer
   x = 1,206.94