Finding the Fourth Proportional to 5,554.72, 8,322.85 and 3,907.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.72 : 8,322.85 = 3,907.81 : x
2. Step 2: Convert to fraction form
   5,554.72/8,322.85 = 3,907.81/x
3. Step 3: Cross multiply
   5,554.72x = 8,322.85 × 3,907.81
4. Step 4: Simplify right side
   5,554.72x = 32,524,116.46
5. Step 5: Solve for x
   x = 32,524,116.46/5,554.72
6. Step 6: Final answer
   x = 5,855.22