Finding the Fourth Proportional to 1,339.16, 1,848.06 and 749.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.16 : 1,848.06 = 749.69 : x
2. Step 2: Convert to fraction form
   1,339.16/1,848.06 = 749.69/x
3. Step 3: Cross multiply
   1,339.16x = 1,848.06 × 749.69
4. Step 4: Simplify right side
   1,339.16x = 1,385,478.60
5. Step 5: Solve for x
   x = 1,385,478.60/1,339.16
6. Step 6: Final answer
   x = 1,034.59