Finding the Fourth Proportional to 1,809.03, 2,495.91 and 1,248.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.03 : 2,495.91 = 1,248.62 : x
2. Step 2: Convert to fraction form
   1,809.03/2,495.91 = 1,248.62/x
3. Step 3: Cross multiply
   1,809.03x = 2,495.91 × 1,248.62
4. Step 4: Simplify right side
   1,809.03x = 3,116,435.35
5. Step 5: Solve for x
   x = 3,116,435.35/1,809.03
6. Step 6: Final answer
   x = 1,722.71