Finding the Fourth Proportional to 2,731.86, 4,099.61 and 1,416.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.86 : 4,099.61 = 1,416.83 : x
2. Step 2: Convert to fraction form
   2,731.86/4,099.61 = 1,416.83/x
3. Step 3: Cross multiply
   2,731.86x = 4,099.61 × 1,416.83
4. Step 4: Simplify right side
   2,731.86x = 5,808,433.48
5. Step 5: Solve for x
   x = 5,808,433.48/2,731.86
6. Step 6: Final answer
   x = 2,126.18