Finding the Fourth Proportional to 3,872.81, 5,345.18 and 2,301.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.81 : 5,345.18 = 2,301.82 : x
2. Step 2: Convert to fraction form
   3,872.81/5,345.18 = 2,301.82/x
3. Step 3: Cross multiply
   3,872.81x = 5,345.18 × 2,301.82
4. Step 4: Simplify right side
   3,872.81x = 12,303,642.23
5. Step 5: Solve for x
   x = 12,303,642.23/3,872.81
6. Step 6: Final answer
   x = 3,176.93