Finding the Fourth Proportional to 2,063.89, 2,848.17 and 1,225

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.89 : 2,848.17 = 1,225 : x
2. Step 2: Convert to fraction form
   2,063.89/2,848.17 = 1,225/x
3. Step 3: Cross multiply
   2,063.89x = 2,848.17 × 1,225
4. Step 4: Simplify right side
   2,063.89x = 3,489,008.25
5. Step 5: Solve for x
   x = 3,489,008.25/2,063.89
6. Step 6: Final answer
   x = 1,690.50