Finding the Fourth Proportional to 10,975.10, 16,462.60 and 4,405.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.10 : 16,462.60 = 4,405.89 : x
2. Step 2: Convert to fraction form
   10,975.10/16,462.60 = 4,405.89/x
3. Step 3: Cross multiply
   10,975.10x = 16,462.60 × 4,405.89
4. Step 4: Simplify right side
   10,975.10x = 72,532,404.71
5. Step 5: Solve for x
   x = 72,532,404.71/10,975.10
6. Step 6: Final answer
   x = 6,608.81