Finding the Fourth Proportional to 16,557.17, 22,853.81 and 9,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.17 : 22,853.81 = 9,488.30 : x
2. Step 2: Convert to fraction form
   16,557.17/22,853.81 = 9,488.30/x
3. Step 3: Cross multiply
   16,557.17x = 22,853.81 × 9,488.30
4. Step 4: Simplify right side
   16,557.17x = 216,843,714.87
5. Step 5: Solve for x
   x = 216,843,714.87/16,557.17
6. Step 6: Final answer
   x = 13,096.67