Finding the Fourth Proportional to 5,554.15, 7,656.61 and 4,225.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.15 : 7,656.61 = 4,225.55 : x
2. Step 2: Convert to fraction form
   5,554.15/7,656.61 = 4,225.55/x
3. Step 3: Cross multiply
   5,554.15x = 7,656.61 × 4,225.55
4. Step 4: Simplify right side
   5,554.15x = 32,353,388.39
5. Step 5: Solve for x
   x = 32,353,388.39/5,554.15
6. Step 6: Final answer
   x = 5,825.08