Finding the Fourth Proportional to 1,426.03, 2,136.85 and 877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.03 : 2,136.85 = 877.25 : x
2. Step 2: Convert to fraction form
   1,426.03/2,136.85 = 877.25/x
3. Step 3: Cross multiply
   1,426.03x = 2,136.85 × 877.25
4. Step 4: Simplify right side
   1,426.03x = 1,874,554.81
5. Step 5: Solve for x
   x = 1,874,554.81/1,426.03
6. Step 6: Final answer
   x = 1,314.53