Finding the Fourth Proportional to 17,263.48, 25,751.78 and 16,978.03

Step by Step Solution

1. Step 1: Write the proportion equation
   17,263.48 : 25,751.78 = 16,978.03 : x
2. Step 2: Convert to fraction form
   17,263.48/25,751.78 = 16,978.03/x
3. Step 3: Cross multiply
   17,263.48x = 25,751.78 × 16,978.03
4. Step 4: Simplify right side
   17,263.48x = 437,214,515.33
5. Step 5: Solve for x
   x = 437,214,515.33/17,263.48
6. Step 6: Final answer
   x = 25,325.97