Finding the Fourth Proportional to 1,498.10, 2,245.53 and 766.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.10 : 2,245.53 = 766.67 : x
2. Step 2: Convert to fraction form
   1,498.10/2,245.53 = 766.67/x
3. Step 3: Cross multiply
   1,498.10x = 2,245.53 × 766.67
4. Step 4: Simplify right side
   1,498.10x = 1,721,580.49
5. Step 5: Solve for x
   x = 1,721,580.49/1,498.10
6. Step 6: Final answer
   x = 1,149.18