Finding the Fourth Proportional to 17,358.40, 25,885.18 and 17,200.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,358.40 : 25,885.18 = 17,200.53 : x
2. Step 2: Convert to fraction form
   17,358.40/25,885.18 = 17,200.53/x
3. Step 3: Cross multiply
   17,358.40x = 25,885.18 × 17,200.53
4. Step 4: Simplify right side
   17,358.40x = 445,238,599.72
5. Step 5: Solve for x
   x = 445,238,599.72/17,358.40
6. Step 6: Final answer
   x = 25,649.75