Finding the Fourth Proportional to 10,731.42, 16,099.68 and 4,487.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,731.42 : 16,099.68 = 4,487.94 : x
2. Step 2: Convert to fraction form
   10,731.42/16,099.68 = 4,487.94/x
3. Step 3: Cross multiply
   10,731.42x = 16,099.68 × 4,487.94
4. Step 4: Simplify right side
   10,731.42x = 72,254,397.86
5. Step 5: Solve for x
   x = 72,254,397.86/10,731.42
6. Step 6: Final answer
   x = 6,732.98