Finding the Fourth Proportional to 16,948.56, 25,430.16 and 9,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,948.56 : 25,430.16 = 9,162.88 : x
2. Step 2: Convert to fraction form
   16,948.56/25,430.16 = 9,162.88/x
3. Step 3: Cross multiply
   16,948.56x = 25,430.16 × 9,162.88
4. Step 4: Simplify right side
   16,948.56x = 233,013,504.46
5. Step 5: Solve for x
   x = 233,013,504.46/16,948.56
6. Step 6: Final answer
   x = 13,748.28