Finding the Fourth Proportional to 1,802.58, 2,704.59 and 1,186.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.58 : 2,704.59 = 1,186.17 : x
2. Step 2: Convert to fraction form
   1,802.58/2,704.59 = 1,186.17/x
3. Step 3: Cross multiply
   1,802.58x = 2,704.59 × 1,186.17
4. Step 4: Simplify right side
   1,802.58x = 3,208,103.52
5. Step 5: Solve for x
   x = 3,208,103.52/1,802.58
6. Step 6: Final answer
   x = 1,779.73