Finding the Fourth Proportional to 17,815.94, 26,700.78 and 7,273.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815.94 : 26,700.78 = 7,273.62 : x
2. Step 2: Convert to fraction form
   17,815.94/26,700.78 = 7,273.62/x
3. Step 3: Cross multiply
   17,815.94x = 26,700.78 × 7,273.62
4. Step 4: Simplify right side
   17,815.94x = 194,211,327.42
5. Step 5: Solve for x
   x = 194,211,327.42/17,815.94
6. Step 6: Final answer
   x = 10,900.99