Finding the Fourth Proportional to 2,141.68, 2,955.78 and 1,355.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.68 : 2,955.78 = 1,355.68 : x
2. Step 2: Convert to fraction form
   2,141.68/2,955.78 = 1,355.68/x
3. Step 3: Cross multiply
   2,141.68x = 2,955.78 × 1,355.68
4. Step 4: Simplify right side
   2,141.68x = 4,007,091.83
5. Step 5: Solve for x
   x = 4,007,091.83/2,141.68
6. Step 6: Final answer
   x = 1,871.00