Finding the Fourth Proportional to 16,932.78, 23,368.16 and 9,380.00

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.78 : 23,368.16 = 9,380.00 : x
2. Step 2: Convert to fraction form
   16,932.78/23,368.16 = 9,380.00/x
3. Step 3: Cross multiply
   16,932.78x = 23,368.16 × 9,380.00
4. Step 4: Simplify right side
   16,932.78x = 219,193,422.67
5. Step 5: Solve for x
   x = 219,193,422.67/16,932.78
6. Step 6: Final answer
   x = 12,944.92