Finding the Fourth Proportional to 1,308.45, 1,806.52 and 1,169.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.45 : 1,806.52 = 1,169.94 : x
2. Step 2: Convert to fraction form
   1,308.45/1,806.52 = 1,169.94/x
3. Step 3: Cross multiply
   1,308.45x = 1,806.52 × 1,169.94
4. Step 4: Simplify right side
   1,308.45x = 2,113,520.01
5. Step 5: Solve for x
   x = 2,113,520.01/1,308.45
6. Step 6: Final answer
   x = 1,615.29