Finding the Fourth Proportional to 3,875.99, 5,814.18 and 3,679.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.99 : 5,814.18 = 3,679.16 : x
2. Step 2: Convert to fraction form
   3,875.99/5,814.18 = 3,679.16/x
3. Step 3: Cross multiply
   3,875.99x = 5,814.18 × 3,679.16
4. Step 4: Simplify right side
   3,875.99x = 21,391,269.42
5. Step 5: Solve for x
   x = 21,391,269.42/3,875.99
6. Step 6: Final answer
   x = 5,518.92