Finding the Fourth Proportional to 2,135.34, 2,947.32 and 1,349.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,135.34 : 2,947.32 = 1,349.82 : x
2. Step 2: Convert to fraction form
   2,135.34/2,947.32 = 1,349.82/x
3. Step 3: Cross multiply
   2,135.34x = 2,947.32 × 1,349.82
4. Step 4: Simplify right side
   2,135.34x = 3,978,351.48
5. Step 5: Solve for x
   x = 3,978,351.48/2,135.34
6. Step 6: Final answer
   x = 1,863.10