Finding the Fourth Proportional to 1,395.92, 1,926.77 and 1,118.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.92 : 1,926.77 = 1,118.09 : x
2. Step 2: Convert to fraction form
   1,395.92/1,926.77 = 1,118.09/x
3. Step 3: Cross multiply
   1,395.92x = 1,926.77 × 1,118.09
4. Step 4: Simplify right side
   1,395.92x = 2,154,287.05
5. Step 5: Solve for x
   x = 2,154,287.05/1,395.92
6. Step 6: Final answer
   x = 1,543.28