Finding the Fourth Proportional to 15,646.05, 23,469.39 and 5,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   15,646.05 : 23,469.39 = 5,116.12 : x
2. Step 2: Convert to fraction form
   15,646.05/23,469.39 = 5,116.12/x
3. Step 3: Cross multiply
   15,646.05x = 23,469.39 × 5,116.12
4. Step 4: Simplify right side
   15,646.05x = 120,072,156.89
5. Step 5: Solve for x
   x = 120,072,156.89/15,646.05
6. Step 6: Final answer
   x = 7,674.28