Finding the Fourth Proportional to 11,703.98, 17,554.02 and 3,912.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,703.98 : 17,554.02 = 3,912.78 : x
2. Step 2: Convert to fraction form
   11,703.98/17,554.02 = 3,912.78/x
3. Step 3: Cross multiply
   11,703.98x = 17,554.02 × 3,912.78
4. Step 4: Simplify right side
   11,703.98x = 68,685,018.38
5. Step 5: Solve for x
   x = 68,685,018.38/11,703.98
6. Step 6: Final answer
   x = 5,868.52