Finding the Fourth Proportional to 11,929.86, 17,895.69 and 3,164.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.86 : 17,895.69 = 3,164.58 : x
2. Step 2: Convert to fraction form
   11,929.86/17,895.69 = 3,164.58/x
3. Step 3: Cross multiply
   11,929.86x = 17,895.69 × 3,164.58
4. Step 4: Simplify right side
   11,929.86x = 56,632,342.66
5. Step 5: Solve for x
   x = 56,632,342.66/11,929.86
6. Step 6: Final answer
   x = 4,747.11