Finding the Fourth Proportional to 6,212.98, 8,573.91 and 3,561.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,212.98 : 8,573.91 = 3,561.93 : x
2. Step 2: Convert to fraction form
   6,212.98/8,573.91 = 3,561.93/x
3. Step 3: Cross multiply
   6,212.98x = 8,573.91 × 3,561.93
4. Step 4: Simplify right side
   6,212.98x = 30,539,667.25
5. Step 5: Solve for x
   x = 30,539,667.25/6,212.98
6. Step 6: Final answer
   x = 4,915.46