Finding the Fourth Proportional to 10,636.86, 14,679.45 and 5,921.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,636.86 : 14,679.45 = 5,921.04 : x
2. Step 2: Convert to fraction form
   10,636.86/14,679.45 = 5,921.04/x
3. Step 3: Cross multiply
   10,636.86x = 14,679.45 × 5,921.04
4. Step 4: Simplify right side
   10,636.86x = 86,917,610.63
5. Step 5: Solve for x
   x = 86,917,610.63/10,636.86
6. Step 6: Final answer
   x = 8,171.36