Finding the Fourth Proportional to 11,079.86, 16,623.77 and 4,752.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.86 : 16,623.77 = 4,752.09 : x
2. Step 2: Convert to fraction form
   11,079.86/16,623.77 = 4,752.09/x
3. Step 3: Cross multiply
   11,079.86x = 16,623.77 × 4,752.09
4. Step 4: Simplify right side
   11,079.86x = 78,997,627.42
5. Step 5: Solve for x
   x = 78,997,627.42/11,079.86
6. Step 6: Final answer
   x = 7,129.84