Finding the Fourth Proportional to 17,262.98, 25,887.34 and 5,412.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,262.98 : 25,887.34 = 5,412.80 : x
2. Step 2: Convert to fraction form
   17,262.98/25,887.34 = 5,412.80/x
3. Step 3: Cross multiply
   17,262.98x = 25,887.34 × 5,412.80
4. Step 4: Simplify right side
   17,262.98x = 140,122,993.95
5. Step 5: Solve for x
   x = 140,122,993.95/17,262.98
6. Step 6: Final answer
   x = 8,116.96