Finding the Fourth Proportional to 1,499.96, 2,248.25 and 718.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.96 : 2,248.25 = 718.89 : x
2. Step 2: Convert to fraction form
   1,499.96/2,248.25 = 718.89/x
3. Step 3: Cross multiply
   1,499.96x = 2,248.25 × 718.89
4. Step 4: Simplify right side
   1,499.96x = 1,616,244.44
5. Step 5: Solve for x
   x = 1,616,244.44/1,499.96
6. Step 6: Final answer
   x = 1,077.53