Finding the Fourth Proportional to 16,898.84, 23,319.68 and 9,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,898.84 : 23,319.68 = 9,824.72 : x
2. Step 2: Convert to fraction form
   16,898.84/23,319.68 = 9,824.72/x
3. Step 3: Cross multiply
   16,898.84x = 23,319.68 × 9,824.72
4. Step 4: Simplify right side
   16,898.84x = 229,109,326.49
5. Step 5: Solve for x
   x = 229,109,326.49/16,898.84
6. Step 6: Final answer
   x = 13,557.70