Finding the Fourth Proportional to 12,723.46, 19,084.04 and 3,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,723.46 : 19,084.04 = 3,957.50 : x
2. Step 2: Convert to fraction form
   12,723.46/19,084.04 = 3,957.50/x
3. Step 3: Cross multiply
   12,723.46x = 19,084.04 × 3,957.50
4. Step 4: Simplify right side
   12,723.46x = 75,525,088.30
5. Step 5: Solve for x
   x = 75,525,088.30/12,723.46
6. Step 6: Final answer
   x = 5,935.89