Finding the Fourth Proportional to 1,498.94, 2,248.71 and 511.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.94 : 2,248.71 = 511.67 : x
2. Step 2: Convert to fraction form
   1,498.94/2,248.71 = 511.67/x
3. Step 3: Cross multiply
   1,498.94x = 2,248.71 × 511.67
4. Step 4: Simplify right side
   1,498.94x = 1,150,591.38
5. Step 5: Solve for x
   x = 1,150,591.38/1,498.94
6. Step 6: Final answer
   x = 767.60