Finding the Fourth Proportional to 10,704.12, 16,059.60 and 5,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,704.12 : 16,059.60 = 5,157.96 : x
2. Step 2: Convert to fraction form
   10,704.12/16,059.60 = 5,157.96/x
3. Step 3: Cross multiply
   10,704.12x = 16,059.60 × 5,157.96
4. Step 4: Simplify right side
   10,704.12x = 82,834,774.42
5. Step 5: Solve for x
   x = 82,834,774.42/10,704.12
6. Step 6: Final answer
   x = 7,738.59