Finding the Fourth Proportional to 16,822, 25,242.72 and 7,588

Step by Step Solution

1. Step 1: Write the proportion equation
   16,822 : 25,242.72 = 7,588 : x
2. Step 2: Convert to fraction form
   16,822/25,242.72 = 7,588/x
3. Step 3: Cross multiply
   16,822x = 25,242.72 × 7,588
4. Step 4: Simplify right side
   16,822x = 191,541,759.36
5. Step 5: Solve for x
   x = 191,541,759.36/16,822
6. Step 6: Final answer
   x = 11,386.38