Finding the Fourth Proportional to 16,932.30, 23,365.54 and 9,378.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.30 : 23,365.54 = 9,378.18 : x
2. Step 2: Convert to fraction form
   16,932.30/23,365.54 = 9,378.18/x
3. Step 3: Cross multiply
   16,932.30x = 23,365.54 × 9,378.18
4. Step 4: Simplify right side
   16,932.30x = 219,126,264.83
5. Step 5: Solve for x
   x = 219,126,264.83/16,932.30
6. Step 6: Final answer
   x = 12,941.32