Finding the Fourth Proportional to 3,139.82, 4,699.56 and 2,317.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139.82 : 4,699.56 = 2,317.76 : x
2. Step 2: Convert to fraction form
   3,139.82/4,699.56 = 2,317.76/x
3. Step 3: Cross multiply
   3,139.82x = 4,699.56 × 2,317.76
4. Step 4: Simplify right side
   3,139.82x = 10,892,452.19
5. Step 5: Solve for x
   x = 10,892,452.19/3,139.82
6. Step 6: Final answer
   x = 3,469.13