Finding the Fourth Proportional to 3,779.10, 5,662.37 and 2,315.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.10 : 5,662.37 = 2,315.17 : x
2. Step 2: Convert to fraction form
   3,779.10/5,662.37 = 2,315.17/x
3. Step 3: Cross multiply
   3,779.10x = 5,662.37 × 2,315.17
4. Step 4: Simplify right side
   3,779.10x = 13,109,349.15
5. Step 5: Solve for x
   x = 13,109,349.15/3,779.10
6. Step 6: Final answer
   x = 3,468.91