Finding the Fourth Proportional to 10,981.76, 16,476.06 and 3,586.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.76 : 16,476.06 = 3,586.28 : x
2. Step 2: Convert to fraction form
   10,981.76/16,476.06 = 3,586.28/x
3. Step 3: Cross multiply
   10,981.76x = 16,476.06 × 3,586.28
4. Step 4: Simplify right side
   10,981.76x = 59,087,764.46
5. Step 5: Solve for x
   x = 59,087,764.46/10,981.76
6. Step 6: Final answer
   x = 5,380.54