Finding the Fourth Proportional to 12,100.50, 18,133.72 and 9,624.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.50 : 18,133.72 = 9,624.34 : x
2. Step 2: Convert to fraction form
   12,100.50/18,133.72 = 9,624.34/x
3. Step 3: Cross multiply
   12,100.50x = 18,133.72 × 9,624.34
4. Step 4: Simplify right side
   12,100.50x = 174,525,086.74
5. Step 5: Solve for x
   x = 174,525,086.74/12,100.50
6. Step 6: Final answer
   x = 14,422.96