Finding the Fourth Proportional to 2,298.48, 3,448.42 and 1,187.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.48 : 3,448.42 = 1,187.48 : x
2. Step 2: Convert to fraction form
   2,298.48/3,448.42 = 1,187.48/x
3. Step 3: Cross multiply
   2,298.48x = 3,448.42 × 1,187.48
4. Step 4: Simplify right side
   2,298.48x = 4,094,929.78
5. Step 5: Solve for x
   x = 4,094,929.78/2,298.48
6. Step 6: Final answer
   x = 1,781.58