Finding the Fourth Proportional to 2,300.43, 3,448.17 and 1,129.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.43 : 3,448.17 = 1,129.07 : x
2. Step 2: Convert to fraction form
   2,300.43/3,448.17 = 1,129.07/x
3. Step 3: Cross multiply
   2,300.43x = 3,448.17 × 1,129.07
4. Step 4: Simplify right side
   2,300.43x = 3,893,233.92
5. Step 5: Solve for x
   x = 3,893,233.92/2,300.43
6. Step 6: Final answer
   x = 1,692.39