Finding the Fourth Proportional to 17,771.72, 26,653.05 and 5,288.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,771.72 : 26,653.05 = 5,288.94 : x
2. Step 2: Convert to fraction form
   17,771.72/26,653.05 = 5,288.94/x
3. Step 3: Cross multiply
   17,771.72x = 26,653.05 × 5,288.94
4. Step 4: Simplify right side
   17,771.72x = 140,966,382.27
5. Step 5: Solve for x
   x = 140,966,382.27/17,771.72
6. Step 6: Final answer
   x = 7,932.06