Finding the Fourth Proportional to 3,690.84, 5,093.90 and 2,431.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.84 : 5,093.90 = 2,431.69 : x
2. Step 2: Convert to fraction form
   3,690.84/5,093.90 = 2,431.69/x
3. Step 3: Cross multiply
   3,690.84x = 5,093.90 × 2,431.69
4. Step 4: Simplify right side
   3,690.84x = 12,386,785.69
5. Step 5: Solve for x
   x = 12,386,785.69/3,690.84
6. Step 6: Final answer
   x = 3,356.09