Finding the Fourth Proportional to 1,339.07, 1,848.65 and 984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.07 : 1,848.65 = 984.69 : x
2. Step 2: Convert to fraction form
   1,339.07/1,848.65 = 984.69/x
3. Step 3: Cross multiply
   1,339.07x = 1,848.65 × 984.69
4. Step 4: Simplify right side
   1,339.07x = 1,820,342.25
5. Step 5: Solve for x
   x = 1,820,342.25/1,339.07
6. Step 6: Final answer
   x = 1,359.41