Finding the Fourth Proportional to 5,417.82, 8,129.31 and 3,754.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,417.82 : 8,129.31 = 3,754.51 : x
2. Step 2: Convert to fraction form
   5,417.82/8,129.31 = 3,754.51/x
3. Step 3: Cross multiply
   5,417.82x = 8,129.31 × 3,754.51
4. Step 4: Simplify right side
   5,417.82x = 30,521,535.04
5. Step 5: Solve for x
   x = 30,521,535.04/5,417.82
6. Step 6: Final answer
   x = 5,633.55