Finding the Fourth Proportional to 5,549.42, 7,656.38 and 3,956.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,549.42 : 7,656.38 = 3,956.32 : x
2. Step 2: Convert to fraction form
   5,549.42/7,656.38 = 3,956.32/x
3. Step 3: Cross multiply
   5,549.42x = 7,656.38 × 3,956.32
4. Step 4: Simplify right side
   5,549.42x = 30,291,089.32
5. Step 5: Solve for x
   x = 30,291,089.32/5,549.42
6. Step 6: Final answer
   x = 5,458.42