Finding the Fourth Proportional to 12,624.37, 17,421.65 and 7,322.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,624.37 : 17,421.65 = 7,322.27 : x
2. Step 2: Convert to fraction form
   12,624.37/17,421.65 = 7,322.27/x
3. Step 3: Cross multiply
   12,624.37x = 17,421.65 × 7,322.27
4. Step 4: Simplify right side
   12,624.37x = 127,566,025.15
5. Step 5: Solve for x
   x = 127,566,025.15/12,624.37
6. Step 6: Final answer
   x = 10,104.74