Finding the Fourth Proportional to 2,298.78, 3,173.04 and 1,354.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.78 : 3,173.04 = 1,354.52 : x
2. Step 2: Convert to fraction form
   2,298.78/3,173.04 = 1,354.52/x
3. Step 3: Cross multiply
   2,298.78x = 3,173.04 × 1,354.52
4. Step 4: Simplify right side
   2,298.78x = 4,297,954.07
5. Step 5: Solve for x
   x = 4,297,954.07/2,298.78
6. Step 6: Final answer
   x = 1,869.67