Finding the Fourth Proportional to 1,334.27, 1,842.21 and 1,055.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.27 : 1,842.21 = 1,055.87 : x
2. Step 2: Convert to fraction form
   1,334.27/1,842.21 = 1,055.87/x
3. Step 3: Cross multiply
   1,334.27x = 1,842.21 × 1,055.87
4. Step 4: Simplify right side
   1,334.27x = 1,945,131.97
5. Step 5: Solve for x
   x = 1,945,131.97/1,334.27
6. Step 6: Final answer
   x = 1,457.82