Finding the Fourth Proportional to 1,809.30, 2,495.78 and 1,063.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.30 : 2,495.78 = 1,063.10 : x
2. Step 2: Convert to fraction form
   1,809.30/2,495.78 = 1,063.10/x
3. Step 3: Cross multiply
   1,809.30x = 2,495.78 × 1,063.10
4. Step 4: Simplify right side
   1,809.30x = 2,653,263.72
5. Step 5: Solve for x
   x = 2,653,263.72/1,809.30
6. Step 6: Final answer
   x = 1,466.46