Finding the Fourth Proportional to 1,498.95, 2,248.41 and 511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.95 : 2,248.41 = 511.50 : x
2. Step 2: Convert to fraction form
   1,498.95/2,248.41 = 511.50/x
3. Step 3: Cross multiply
   1,498.95x = 2,248.41 × 511.50
4. Step 4: Simplify right side
   1,498.95x = 1,150,061.72
5. Step 5: Solve for x
   x = 1,150,061.72/1,498.95
6. Step 6: Final answer
   x = 767.24