Finding the Fourth Proportional to 10,827.56, 16,240.42 and 3,430.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.56 : 16,240.42 = 3,430.94 : x
2. Step 2: Convert to fraction form
   10,827.56/16,240.42 = 3,430.94/x
3. Step 3: Cross multiply
   10,827.56x = 16,240.42 × 3,430.94
4. Step 4: Simplify right side
   10,827.56x = 55,719,906.59
5. Step 5: Solve for x
   x = 55,719,906.59/10,827.56
6. Step 6: Final answer
   x = 5,146.12