Finding the Fourth Proportional to 3,719.58, 5,133.15 and 2,126.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.58 : 5,133.15 = 2,126.46 : x
2. Step 2: Convert to fraction form
   3,719.58/5,133.15 = 2,126.46/x
3. Step 3: Cross multiply
   3,719.58x = 5,133.15 × 2,126.46
4. Step 4: Simplify right side
   3,719.58x = 10,915,438.15
5. Step 5: Solve for x
   x = 10,915,438.15/3,719.58
6. Step 6: Final answer
   x = 2,934.59