Finding the Fourth Proportional to 16,528.50, 22,810.55 and 10,242.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,528.50 : 22,810.55 = 10,242.09 : x
2. Step 2: Convert to fraction form
   16,528.50/22,810.55 = 10,242.09/x
3. Step 3: Cross multiply
   16,528.50x = 22,810.55 × 10,242.09
4. Step 4: Simplify right side
   16,528.50x = 233,627,654.84
5. Step 5: Solve for x
   x = 233,627,654.84/16,528.50
6. Step 6: Final answer
   x = 14,134.84