Finding the Fourth Proportional to 1,401.18, 1,934.38 and 877.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.18 : 1,934.38 = 877.38 : x
2. Step 2: Convert to fraction form
   1,401.18/1,934.38 = 877.38/x
3. Step 3: Cross multiply
   1,401.18x = 1,934.38 × 877.38
4. Step 4: Simplify right side
   1,401.18x = 1,697,186.32
5. Step 5: Solve for x
   x = 1,697,186.32/1,401.18
6. Step 6: Final answer
   x = 1,211.26