Finding the Fourth Proportional to 1,498.98, 2,239.82 and 1,145.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.98 : 2,239.82 = 1,145.64 : x
2. Step 2: Convert to fraction form
   1,498.98/2,239.82 = 1,145.64/x
3. Step 3: Cross multiply
   1,498.98x = 2,239.82 × 1,145.64
4. Step 4: Simplify right side
   1,498.98x = 2,566,027.38
5. Step 5: Solve for x
   x = 2,566,027.38/1,498.98
6. Step 6: Final answer
   x = 1,711.85