Finding the Fourth Proportional to 10,992.51, 16,478.96 and 4,414.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.51 : 16,478.96 = 4,414.23 : x
2. Step 2: Convert to fraction form
   10,992.51/16,478.96 = 4,414.23/x
3. Step 3: Cross multiply
   10,992.51x = 16,478.96 × 4,414.23
4. Step 4: Simplify right side
   10,992.51x = 72,741,897.53
5. Step 5: Solve for x
   x = 72,741,897.53/10,992.51
6. Step 6: Final answer
   x = 6,617.41