Finding the Fourth Proportional to 11,000.86, 16,493.99 and 3,979.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,000.86 : 16,493.99 = 3,979.94 : x
2. Step 2: Convert to fraction form
   11,000.86/16,493.99 = 3,979.94/x
3. Step 3: Cross multiply
   11,000.86x = 16,493.99 × 3,979.94
4. Step 4: Simplify right side
   11,000.86x = 65,645,111.90
5. Step 5: Solve for x
   x = 65,645,111.90/11,000.86
6. Step 6: Final answer
   x = 5,967.27