Finding the Fourth Proportional to 3,779.82, 5,669.22 and 1,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.82 : 5,669.22 = 1,314.42 : x
2. Step 2: Convert to fraction form
   3,779.82/5,669.22 = 1,314.42/x
3. Step 3: Cross multiply
   3,779.82x = 5,669.22 × 1,314.42
4. Step 4: Simplify right side
   3,779.82x = 7,451,736.15
5. Step 5: Solve for x
   x = 7,451,736.15/3,779.82
6. Step 6: Final answer
   x = 1,971.45