Finding the Fourth Proportional to 2,129.37, 2,935.89 and 1,342.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129.37 : 2,935.89 = 1,342.05 : x
2. Step 2: Convert to fraction form
   2,129.37/2,935.89 = 1,342.05/x
3. Step 3: Cross multiply
   2,129.37x = 2,935.89 × 1,342.05
4. Step 4: Simplify right side
   2,129.37x = 3,940,111.17
5. Step 5: Solve for x
   x = 3,940,111.17/2,129.37
6. Step 6: Final answer
   x = 1,850.36