Finding the Fourth Proportional to 14,970.72, 22,443.90 and 5,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,970.72 : 22,443.90 = 5,605.50 : x
2. Step 2: Convert to fraction form
   14,970.72/22,443.90 = 5,605.50/x
3. Step 3: Cross multiply
   14,970.72x = 22,443.90 × 5,605.50
4. Step 4: Simplify right side
   14,970.72x = 125,809,281.45
5. Step 5: Solve for x
   x = 125,809,281.45/14,970.72
6. Step 6: Final answer
   x = 8,403.69