Finding the Fourth Proportional to 16,770.65, 23,145.69 and 10,819.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.65 : 23,145.69 = 10,819.63 : x
2. Step 2: Convert to fraction form
   16,770.65/23,145.69 = 10,819.63/x
3. Step 3: Cross multiply
   16,770.65x = 23,145.69 × 10,819.63
4. Step 4: Simplify right side
   16,770.65x = 250,427,723.74
5. Step 5: Solve for x
   x = 250,427,723.74/16,770.65
6. Step 6: Final answer
   x = 14,932.50