Finding the Fourth Proportional to 10,660.56, 15,984.72 and 3,263.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,660.56 : 15,984.72 = 3,263.04 : x
2. Step 2: Convert to fraction form
   10,660.56/15,984.72 = 3,263.04/x
3. Step 3: Cross multiply
   10,660.56x = 15,984.72 × 3,263.04
4. Step 4: Simplify right side
   10,660.56x = 52,158,780.75
5. Step 5: Solve for x
   x = 52,158,780.75/10,660.56
6. Step 6: Final answer
   x = 4,892.69