Finding the Fourth Proportional to 5,611.59, 8,404.93 and 3,630.85

Step by Step Solution

1. Step 1: Write the proportion equation
   5,611.59 : 8,404.93 = 3,630.85 : x
2. Step 2: Convert to fraction form
   5,611.59/8,404.93 = 3,630.85/x
3. Step 3: Cross multiply
   5,611.59x = 8,404.93 × 3,630.85
4. Step 4: Simplify right side
   5,611.59x = 30,517,040.09
5. Step 5: Solve for x
   x = 30,517,040.09/5,611.59
6. Step 6: Final answer
   x = 5,438.22