Finding the Fourth Proportional to 1,805.69, 2,706.68 and 1,148.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.69 : 2,706.68 = 1,148.06 : x
2. Step 2: Convert to fraction form
   1,805.69/2,706.68 = 1,148.06/x
3. Step 3: Cross multiply
   1,805.69x = 2,706.68 × 1,148.06
4. Step 4: Simplify right side
   1,805.69x = 3,107,411.77
5. Step 5: Solve for x
   x = 3,107,411.77/1,805.69
6. Step 6: Final answer
   x = 1,720.90