Finding the Fourth Proportional to 3,699.94, 5,106.72 and 2,438.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.94 : 5,106.72 = 2,438.86 : x
2. Step 2: Convert to fraction form
   3,699.94/5,106.72 = 2,438.86/x
3. Step 3: Cross multiply
   3,699.94x = 5,106.72 × 2,438.86
4. Step 4: Simplify right side
   3,699.94x = 12,454,575.14
5. Step 5: Solve for x
   x = 12,454,575.14/3,699.94
6. Step 6: Final answer
   x = 3,366.16