Finding the Fourth Proportional to 1,358.71, 1,874.27 and 886.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.71 : 1,874.27 = 886.01 : x
2. Step 2: Convert to fraction form
   1,358.71/1,874.27 = 886.01/x
3. Step 3: Cross multiply
   1,358.71x = 1,874.27 × 886.01
4. Step 4: Simplify right side
   1,358.71x = 1,660,614.81
5. Step 5: Solve for x
   x = 1,660,614.81/1,358.71
6. Step 6: Final answer
   x = 1,222.20