Finding the Fourth Proportional to 2,457.34, 3,680.14 and 1,415.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.34 : 3,680.14 = 1,415.15 : x
2. Step 2: Convert to fraction form
   2,457.34/3,680.14 = 1,415.15/x
3. Step 3: Cross multiply
   2,457.34x = 3,680.14 × 1,415.15
4. Step 4: Simplify right side
   2,457.34x = 5,207,958.57
5. Step 5: Solve for x
   x = 5,207,958.57/2,457.34
6. Step 6: Final answer
   x = 2,119.35