Finding the Fourth Proportional to 11,929.72, 17,895.48 and 3,164.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.72 : 17,895.48 = 3,164.38 : x
2. Step 2: Convert to fraction form
   11,929.72/17,895.48 = 3,164.38/x
3. Step 3: Cross multiply
   11,929.72x = 17,895.48 × 3,164.38
4. Step 4: Simplify right side
   11,929.72x = 56,628,099.00
5. Step 5: Solve for x
   x = 56,628,099.00/11,929.72
6. Step 6: Final answer
   x = 4,746.81