Finding the Fourth Proportional to 16,819.98, 23,213.58 and 9,746.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.98 : 23,213.58 = 9,746.64 : x
2. Step 2: Convert to fraction form
   16,819.98/23,213.58 = 9,746.64/x
3. Step 3: Cross multiply
   16,819.98x = 23,213.58 × 9,746.64
4. Step 4: Simplify right side
   16,819.98x = 226,254,407.37
5. Step 5: Solve for x
   x = 226,254,407.37/16,819.98
6. Step 6: Final answer
   x = 13,451.53