Finding the Fourth Proportional to 16,817.34, 25,229.31 and 4,971.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,817.34 : 25,229.31 = 4,971.30 : x
2. Step 2: Convert to fraction form
   16,817.34/25,229.31 = 4,971.30/x
3. Step 3: Cross multiply
   16,817.34x = 25,229.31 × 4,971.30
4. Step 4: Simplify right side
   16,817.34x = 125,422,468.80
5. Step 5: Solve for x
   x = 125,422,468.80/16,817.34
6. Step 6: Final answer
   x = 7,457.93