Finding the Fourth Proportional to 16,978.06, 25,460.60 and 9,182.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978.06 : 25,460.60 = 9,182.62 : x
2. Step 2: Convert to fraction form
   16,978.06/25,460.60 = 9,182.62/x
3. Step 3: Cross multiply
   16,978.06x = 25,460.60 × 9,182.62
4. Step 4: Simplify right side
   16,978.06x = 233,794,887.47
5. Step 5: Solve for x
   x = 233,794,887.47/16,978.06
6. Step 6: Final answer
   x = 13,770.42