Finding the Fourth Proportional to 1,499.98, 2,250.83 and 806.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.98 : 2,250.83 = 806.67 : x
2. Step 2: Convert to fraction form
   1,499.98/2,250.83 = 806.67/x
3. Step 3: Cross multiply
   1,499.98x = 2,250.83 × 806.67
4. Step 4: Simplify right side
   1,499.98x = 1,815,670.45
5. Step 5: Solve for x
   x = 1,815,670.45/1,499.98
6. Step 6: Final answer
   x = 1,210.47