Finding the Fourth Proportional to 2,065.02, 2,848.37 and 1,225.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.02 : 2,848.37 = 1,225.09 : x
2. Step 2: Convert to fraction form
   2,065.02/2,848.37 = 1,225.09/x
3. Step 3: Cross multiply
   2,065.02x = 2,848.37 × 1,225.09
4. Step 4: Simplify right side
   2,065.02x = 3,489,509.60
5. Step 5: Solve for x
   x = 3,489,509.60/2,065.02
6. Step 6: Final answer
   x = 1,689.82