Finding the Fourth Proportional to 22,608, 31,199.04 and 13,776

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608 : 31,199.04 = 13,776 : x
2. Step 2: Convert to fraction form
   22,608/31,199.04 = 13,776/x
3. Step 3: Cross multiply
   22,608x = 31,199.04 × 13,776
4. Step 4: Simplify right side
   22,608x = 429,797,975.04
5. Step 5: Solve for x
   x = 429,797,975.04/22,608
6. Step 6: Final answer
   x = 19,010.88