Finding the Fourth Proportional to 1,196.60, 1,651.77 and 1,072.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.60 : 1,651.77 = 1,072.04 : x
2. Step 2: Convert to fraction form
   1,196.60/1,651.77 = 1,072.04/x
3. Step 3: Cross multiply
   1,196.60x = 1,651.77 × 1,072.04
4. Step 4: Simplify right side
   1,196.60x = 1,770,763.51
5. Step 5: Solve for x
   x = 1,770,763.51/1,196.60
6. Step 6: Final answer
   x = 1,479.83