Finding the Fourth Proportional to 17,013.78, 25,525.53 and 7,147.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.78 : 25,525.53 = 7,147.98 : x
2. Step 2: Convert to fraction form
   17,013.78/25,525.53 = 7,147.98/x
3. Step 3: Cross multiply
   17,013.78x = 25,525.53 × 7,147.98
4. Step 4: Simplify right side
   17,013.78x = 182,455,977.93
5. Step 5: Solve for x
   x = 182,455,977.93/17,013.78
6. Step 6: Final answer
   x = 10,724.01