Finding the Fourth Proportional to 8,492.69, 12,715.40 and 4,323.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.69 : 12,715.40 = 4,323.71 : x
2. Step 2: Convert to fraction form
   8,492.69/12,715.40 = 4,323.71/x
3. Step 3: Cross multiply
   8,492.69x = 12,715.40 × 4,323.71
4. Step 4: Simplify right side
   8,492.69x = 54,977,616.94
5. Step 5: Solve for x
   x = 54,977,616.94/8,492.69
6. Step 6: Final answer
   x = 6,473.53