Finding the Fourth Proportional to 2,146.72, 3,219.72 and 848.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.72 : 3,219.72 = 848.08 : x
2. Step 2: Convert to fraction form
   2,146.72/3,219.72 = 848.08/x
3. Step 3: Cross multiply
   2,146.72x = 3,219.72 × 848.08
4. Step 4: Simplify right side
   2,146.72x = 2,730,580.14
5. Step 5: Solve for x
   x = 2,730,580.14/2,146.72
6. Step 6: Final answer
   x = 1,271.98