Finding the Fourth Proportional to 2,065.19, 2,848.71 and 1,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.19 : 2,848.71 = 1,225.34 : x
2. Step 2: Convert to fraction form
   2,065.19/2,848.71 = 1,225.34/x
3. Step 3: Cross multiply
   2,065.19x = 2,848.71 × 1,225.34
4. Step 4: Simplify right side
   2,065.19x = 3,490,638.31
5. Step 5: Solve for x
   x = 3,490,638.31/2,065.19
6. Step 6: Final answer
   x = 1,690.23