Finding the Fourth Proportional to 3,742.05, 5,164.56 and 2,415.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.05 : 5,164.56 = 2,415.51 : x
2. Step 2: Convert to fraction form
   3,742.05/5,164.56 = 2,415.51/x
3. Step 3: Cross multiply
   3,742.05x = 5,164.56 × 2,415.51
4. Step 4: Simplify right side
   3,742.05x = 12,475,046.33
5. Step 5: Solve for x
   x = 12,475,046.33/3,742.05
6. Step 6: Final answer
   x = 3,333.75