Finding the Fourth Proportional to 1,499.01, 2,248.86 and 718.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.01 : 2,248.86 = 718.79 : x
2. Step 2: Convert to fraction form
   1,499.01/2,248.86 = 718.79/x
3. Step 3: Cross multiply
   1,499.01x = 2,248.86 × 718.79
4. Step 4: Simplify right side
   1,499.01x = 1,616,446.84
5. Step 5: Solve for x
   x = 1,616,446.84/1,499.01
6. Step 6: Final answer
   x = 1,078.34