Finding the Fourth Proportional to 3,742.34, 5,162.76 and 2,415.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.34 : 5,162.76 = 2,415.56 : x
2. Step 2: Convert to fraction form
   3,742.34/5,162.76 = 2,415.56/x
3. Step 3: Cross multiply
   3,742.34x = 5,162.76 × 2,415.56
4. Step 4: Simplify right side
   3,742.34x = 12,470,956.55
5. Step 5: Solve for x
   x = 12,470,956.55/3,742.34
6. Step 6: Final answer
   x = 3,332.40