Finding the Fourth Proportional to 16,948.31, 23,388.82 and 9,394.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,948.31 : 23,388.82 = 9,394.72 : x
2. Step 2: Convert to fraction form
   16,948.31/23,388.82 = 9,394.72/x
3. Step 3: Cross multiply
   16,948.31x = 23,388.82 × 9,394.72
4. Step 4: Simplify right side
   16,948.31x = 219,731,333.07
5. Step 5: Solve for x
   x = 219,731,333.07/16,948.31
6. Step 6: Final answer
   x = 12,964.80