Finding the Fourth Proportional to 2,063.98, 2,848.80 and 1,225.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.98 : 2,848.80 = 1,225.18 : x
2. Step 2: Convert to fraction form
   2,063.98/2,848.80 = 1,225.18/x
3. Step 3: Cross multiply
   2,063.98x = 2,848.80 × 1,225.18
4. Step 4: Simplify right side
   2,063.98x = 3,490,274.58
5. Step 5: Solve for x
   x = 3,490,274.58/2,063.98
6. Step 6: Final answer
   x = 1,691.04