Finding the Fourth Proportional to 17,256.82, 23,813.70 and 9,703.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,256.82 : 23,813.70 = 9,703.78 : x
2. Step 2: Convert to fraction form
   17,256.82/23,813.70 = 9,703.78/x
3. Step 3: Cross multiply
   17,256.82x = 23,813.70 × 9,703.78
4. Step 4: Simplify right side
   17,256.82x = 231,082,905.79
5. Step 5: Solve for x
   x = 231,082,905.79/17,256.82
6. Step 6: Final answer
   x = 13,390.82