Finding the Fourth Proportional to 14,379.50, 21,577.46 and 5,612.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,379.50 : 21,577.46 = 5,612.37 : x
2. Step 2: Convert to fraction form
   14,379.50/21,577.46 = 5,612.37/x
3. Step 3: Cross multiply
   14,379.50x = 21,577.46 × 5,612.37
4. Step 4: Simplify right side
   14,379.50x = 121,100,661.12
5. Step 5: Solve for x
   x = 121,100,661.12/14,379.50
6. Step 6: Final answer
   x = 8,421.76