Finding the Fourth Proportional to 12,430.54, 17,162.38 and 9,554.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,430.54 : 17,162.38 = 9,554.15 : x
2. Step 2: Convert to fraction form
   12,430.54/17,162.38 = 9,554.15/x
3. Step 3: Cross multiply
   12,430.54x = 17,162.38 × 9,554.15
4. Step 4: Simplify right side
   12,430.54x = 163,972,007.73
5. Step 5: Solve for x
   x = 163,972,007.73/12,430.54
6. Step 6: Final answer
   x = 13,191.06