Finding the Fourth Proportional to 2,369.79, 3,554.37 and 1,053.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.79 : 3,554.37 = 1,053.09 : x
2. Step 2: Convert to fraction form
   2,369.79/3,554.37 = 1,053.09/x
3. Step 3: Cross multiply
   2,369.79x = 3,554.37 × 1,053.09
4. Step 4: Simplify right side
   2,369.79x = 3,743,071.50
5. Step 5: Solve for x
   x = 3,743,071.50/2,369.79
6. Step 6: Final answer
   x = 1,579.50