Finding the Fourth Proportional to 17,854.10, 26,754.83 and 9,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,854.10 : 26,754.83 = 9,945.72 : x
2. Step 2: Convert to fraction form
   17,854.10/26,754.83 = 9,945.72/x
3. Step 3: Cross multiply
   17,854.10x = 26,754.83 × 9,945.72
4. Step 4: Simplify right side
   17,854.10x = 266,096,047.83
5. Step 5: Solve for x
   x = 266,096,047.83/17,854.10
6. Step 6: Final answer
   x = 14,903.92