Finding the Fourth Proportional to 10,340.16, 15,506.72 and 3,412.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.16 : 15,506.72 = 3,412.96 : x
2. Step 2: Convert to fraction form
   10,340.16/15,506.72 = 3,412.96/x
3. Step 3: Cross multiply
   10,340.16x = 15,506.72 × 3,412.96
4. Step 4: Simplify right side
   10,340.16x = 52,923,815.09
5. Step 5: Solve for x
   x = 52,923,815.09/10,340.16
6. Step 6: Final answer
   x = 5,118.28