Finding the Fourth Proportional to 8,321.58, 12,486.69 and 3,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.58 : 12,486.69 = 3,703.50 : x
2. Step 2: Convert to fraction form
   8,321.58/12,486.69 = 3,703.50/x
3. Step 3: Cross multiply
   8,321.58x = 12,486.69 × 3,703.50
4. Step 4: Simplify right side
   8,321.58x = 46,244,456.42
5. Step 5: Solve for x
   x = 46,244,456.42/8,321.58
6. Step 6: Final answer
   x = 5,557.17