Finding the Fourth Proportional to 1,353.38, 1,856.43 and 1,341.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.38 : 1,856.43 = 1,341.68 : x
2. Step 2: Convert to fraction form
   1,353.38/1,856.43 = 1,341.68/x
3. Step 3: Cross multiply
   1,353.38x = 1,856.43 × 1,341.68
4. Step 4: Simplify right side
   1,353.38x = 2,490,725.72
5. Step 5: Solve for x
   x = 2,490,725.72/1,353.38
6. Step 6: Final answer
   x = 1,840.38