Finding the Fourth Proportional to 17,016.48, 25,518.24 and 7,776

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.48 : 25,518.24 = 7,776 : x
2. Step 2: Convert to fraction form
   17,016.48/25,518.24 = 7,776/x
3. Step 3: Cross multiply
   17,016.48x = 25,518.24 × 7,776
4. Step 4: Simplify right side
   17,016.48x = 198,429,834.24
5. Step 5: Solve for x
   x = 198,429,834.24/17,016.48
6. Step 6: Final answer
   x = 11,661.04