Finding the Fourth Proportional to 1,308.84, 1,959.72 and 844.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.84 : 1,959.72 = 844.08 : x
2. Step 2: Convert to fraction form
   1,308.84/1,959.72 = 844.08/x
3. Step 3: Cross multiply
   1,308.84x = 1,959.72 × 844.08
4. Step 4: Simplify right side
   1,308.84x = 1,654,160.46
5. Step 5: Solve for x
   x = 1,654,160.46/1,308.84
6. Step 6: Final answer
   x = 1,263.84