Finding the Fourth Proportional to 2,362.86, 3,541.98 and 881

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.86 : 3,541.98 = 881 : x
2. Step 2: Convert to fraction form
   2,362.86/3,541.98 = 881/x
3. Step 3: Cross multiply
   2,362.86x = 3,541.98 × 881
4. Step 4: Simplify right side
   2,362.86x = 3,120,484.38
5. Step 5: Solve for x
   x = 3,120,484.38/2,362.86
6. Step 6: Final answer
   x = 1,320.64