Finding the Fourth Proportional to 17,018.17, 25,518.62 and 7,776.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,018.17 : 25,518.62 = 7,776.25 : x
2. Step 2: Convert to fraction form
   17,018.17/25,518.62 = 7,776.25/x
3. Step 3: Cross multiply
   17,018.17x = 25,518.62 × 7,776.25
4. Step 4: Simplify right side
   17,018.17x = 198,439,129.89
5. Step 5: Solve for x
   x = 198,439,129.89/17,018.17
6. Step 6: Final answer
   x = 11,660.43