Finding the Fourth Proportional to 14,910.83, 20,574.69 and 8,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,910.83 : 20,574.69 = 8,196.74 : x
2. Step 2: Convert to fraction form
   14,910.83/20,574.69 = 8,196.74/x
3. Step 3: Cross multiply
   14,910.83x = 20,574.69 × 8,196.74
4. Step 4: Simplify right side
   14,910.83x = 168,645,384.51
5. Step 5: Solve for x
   x = 168,645,384.51/14,910.83
6. Step 6: Final answer
   x = 11,310.26