Finding the Fourth Proportional to 2,164.39, 3,246.76 and 848.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.39 : 3,246.76 = 848.25 : x
2. Step 2: Convert to fraction form
   2,164.39/3,246.76 = 848.25/x
3. Step 3: Cross multiply
   2,164.39x = 3,246.76 × 848.25
4. Step 4: Simplify right side
   2,164.39x = 2,754,071.27
5. Step 5: Solve for x
   x = 2,754,071.27/2,164.39
6. Step 6: Final answer
   x = 1,272.45