Finding the Fourth Proportional to 5,477.61, 8,223.72 and 3,704.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477.61 : 8,223.72 = 3,704.63 : x
2. Step 2: Convert to fraction form
   5,477.61/8,223.72 = 3,704.63/x
3. Step 3: Cross multiply
   5,477.61x = 8,223.72 × 3,704.63
4. Step 4: Simplify right side
   5,477.61x = 30,465,813.15
5. Step 5: Solve for x
   x = 30,465,813.15/5,477.61
6. Step 6: Final answer
   x = 5,561.88