Finding the Fourth Proportional to 1,185.59, 1,636.58 and 792.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.59 : 1,636.58 = 792.47 : x
2. Step 2: Convert to fraction form
   1,185.59/1,636.58 = 792.47/x
3. Step 3: Cross multiply
   1,185.59x = 1,636.58 × 792.47
4. Step 4: Simplify right side
   1,185.59x = 1,296,946.63
5. Step 5: Solve for x
   x = 1,296,946.63/1,185.59
6. Step 6: Final answer
   x = 1,093.92