Finding the Fourth Proportional to 1,339.49, 1,848.50 and 749.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.49 : 1,848.50 = 749.98 : x
2. Step 2: Convert to fraction form
   1,339.49/1,848.50 = 749.98/x
3. Step 3: Cross multiply
   1,339.49x = 1,848.50 × 749.98
4. Step 4: Simplify right side
   1,339.49x = 1,386,338.03
5. Step 5: Solve for x
   x = 1,386,338.03/1,339.49
6. Step 6: Final answer
   x = 1,034.97