Finding the Fourth Proportional to 10,886.84, 16,337.55 and 3,961.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.84 : 16,337.55 = 3,961.34 : x
2. Step 2: Convert to fraction form
   10,886.84/16,337.55 = 3,961.34/x
3. Step 3: Cross multiply
   10,886.84x = 16,337.55 × 3,961.34
4. Step 4: Simplify right side
   10,886.84x = 64,718,631.16
5. Step 5: Solve for x
   x = 64,718,631.16/10,886.84
6. Step 6: Final answer
   x = 5,944.66