Finding the Fourth Proportional to 3,776.31, 5,695.91 and 3,319.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.31 : 5,695.91 = 3,319.77 : x
2. Step 2: Convert to fraction form
   3,776.31/5,695.91 = 3,319.77/x
3. Step 3: Cross multiply
   3,776.31x = 5,695.91 × 3,319.77
4. Step 4: Simplify right side
   3,776.31x = 18,909,111.14
5. Step 5: Solve for x
   x = 18,909,111.14/3,776.31
6. Step 6: Final answer
   x = 5,007.30