Finding the Fourth Proportional to 1,373.87, 1,896.74 and 877.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.87 : 1,896.74 = 877.27 : x
2. Step 2: Convert to fraction form
   1,373.87/1,896.74 = 877.27/x
3. Step 3: Cross multiply
   1,373.87x = 1,896.74 × 877.27
4. Step 4: Simplify right side
   1,373.87x = 1,663,953.10
5. Step 5: Solve for x
   x = 1,663,953.10/1,373.87
6. Step 6: Final answer
   x = 1,211.14