Finding the Fourth Proportional to 1,926.63, 2,891.20 and 1,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.63 : 2,891.20 = 1,196.72 : x
2. Step 2: Convert to fraction form
   1,926.63/2,891.20 = 1,196.72/x
3. Step 3: Cross multiply
   1,926.63x = 2,891.20 × 1,196.72
4. Step 4: Simplify right side
   1,926.63x = 3,459,942.41
5. Step 5: Solve for x
   x = 3,459,942.41/1,926.63
6. Step 6: Final answer
   x = 1,795.86