Finding the Fourth Proportional to 3,910.88, 5,857.72 and 3,695.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.88 : 5,857.72 = 3,695.22 : x
2. Step 2: Convert to fraction form
   3,910.88/5,857.72 = 3,695.22/x
3. Step 3: Cross multiply
   3,910.88x = 5,857.72 × 3,695.22
4. Step 4: Simplify right side
   3,910.88x = 21,645,554.86
5. Step 5: Solve for x
   x = 21,645,554.86/3,910.88
6. Step 6: Final answer
   x = 5,534.70