Finding the Fourth Proportional to 5,810.17, 8,017.20 and 3,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,810.17 : 8,017.20 = 3,418.72 : x
2. Step 2: Convert to fraction form
   5,810.17/8,017.20 = 3,418.72/x
3. Step 3: Cross multiply
   5,810.17x = 8,017.20 × 3,418.72
4. Step 4: Simplify right side
   5,810.17x = 27,408,561.98
5. Step 5: Solve for x
   x = 27,408,561.98/5,810.17
6. Step 6: Final answer
   x = 4,717.34