Finding the Fourth Proportional to 10,659.56, 16,000.86 and 4,507.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.56 : 16,000.86 = 4,507.88 : x
2. Step 2: Convert to fraction form
   10,659.56/16,000.86 = 4,507.88/x
3. Step 3: Cross multiply
   10,659.56x = 16,000.86 × 4,507.88
4. Step 4: Simplify right side
   10,659.56x = 72,129,956.78
5. Step 5: Solve for x
   x = 72,129,956.78/10,659.56
6. Step 6: Final answer
   x = 6,766.69