Finding the Fourth Proportional to 1,196.59, 1,651.29 and 672.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.59 : 1,651.29 = 672.58 : x
2. Step 2: Convert to fraction form
   1,196.59/1,651.29 = 672.58/x
3. Step 3: Cross multiply
   1,196.59x = 1,651.29 × 672.58
4. Step 4: Simplify right side
   1,196.59x = 1,110,633.34
5. Step 5: Solve for x
   x = 1,110,633.34/1,196.59
6. Step 6: Final answer
   x = 928.17