Finding the Fourth Proportional to 3,709.32, 5,118.57 and 2,137.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.32 : 5,118.57 = 2,137.53 : x
2. Step 2: Convert to fraction form
   3,709.32/5,118.57 = 2,137.53/x
3. Step 3: Cross multiply
   3,709.32x = 5,118.57 × 2,137.53
4. Step 4: Simplify right side
   3,709.32x = 10,941,096.93
5. Step 5: Solve for x
   x = 10,941,096.93/3,709.32
6. Step 6: Final answer
   x = 2,949.62