Finding the Fourth Proportional to 1,626.45, 2,245.52 and 1,252.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.45 : 2,245.52 = 1,252.72 : x
2. Step 2: Convert to fraction form
   1,626.45/2,245.52 = 1,252.72/x
3. Step 3: Cross multiply
   1,626.45x = 2,245.52 × 1,252.72
4. Step 4: Simplify right side
   1,626.45x = 2,813,007.81
5. Step 5: Solve for x
   x = 2,813,007.81/1,626.45
6. Step 6: Final answer
   x = 1,729.54