Finding the Fourth Proportional to 17,047.49, 25,570.64 and 5,200.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,047.49 : 25,570.64 = 5,200.79 : x
2. Step 2: Convert to fraction form
   17,047.49/25,570.64 = 5,200.79/x
3. Step 3: Cross multiply
   17,047.49x = 25,570.64 × 5,200.79
4. Step 4: Simplify right side
   17,047.49x = 132,987,507.51
5. Step 5: Solve for x
   x = 132,987,507.51/17,047.49
6. Step 6: Final answer
   x = 7,801.00