Finding the Fourth Proportional to 16,333.96, 22,498.86 and 12,790.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,333.96 : 22,498.86 = 12,790.84 : x
2. Step 2: Convert to fraction form
   16,333.96/22,498.86 = 12,790.84/x
3. Step 3: Cross multiply
   16,333.96x = 22,498.86 × 12,790.84
4. Step 4: Simplify right side
   16,333.96x = 287,779,318.44
5. Step 5: Solve for x
   x = 287,779,318.44/16,333.96
6. Step 6: Final answer
   x = 17,618.47