Finding the Fourth Proportional to 2,142.01, 2,955.37 and 1,345.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.01 : 2,955.37 = 1,345.42 : x
2. Step 2: Convert to fraction form
   2,142.01/2,955.37 = 1,345.42/x
3. Step 3: Cross multiply
   2,142.01x = 2,955.37 × 1,345.42
4. Step 4: Simplify right side
   2,142.01x = 3,976,195.77
5. Step 5: Solve for x
   x = 3,976,195.77/2,142.01
6. Step 6: Final answer
   x = 1,856.30