Finding the Fourth Proportional to 11,222.86, 16,808.31 and 5,590.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,222.86 : 16,808.31 = 5,590.27 : x
2. Step 2: Convert to fraction form
   11,222.86/16,808.31 = 5,590.27/x
3. Step 3: Cross multiply
   11,222.86x = 16,808.31 × 5,590.27
4. Step 4: Simplify right side
   11,222.86x = 93,962,907.10
5. Step 5: Solve for x
   x = 93,962,907.10/11,222.86
6. Step 6: Final answer
   x = 8,372.46