Finding the Fourth Proportional to 8,477.50, 12,716.34 and 2,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,477.50 : 12,716.34 = 2,321.50 : x
2. Step 2: Convert to fraction form
   8,477.50/12,716.34 = 2,321.50/x
3. Step 3: Cross multiply
   8,477.50x = 12,716.34 × 2,321.50
4. Step 4: Simplify right side
   8,477.50x = 29,520,983.31
5. Step 5: Solve for x
   x = 29,520,983.31/8,477.50
6. Step 6: Final answer
   x = 3,482.27