Finding the Fourth Proportional to 8,297.57, 12,417.72 and 5,133.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,297.57 : 12,417.72 = 5,133.71 : x
2. Step 2: Convert to fraction form
   8,297.57/12,417.72 = 5,133.71/x
3. Step 3: Cross multiply
   8,297.57x = 12,417.72 × 5,133.71
4. Step 4: Simplify right side
   8,297.57x = 63,748,947.67
5. Step 5: Solve for x
   x = 63,748,947.67/8,297.57
6. Step 6: Final answer
   x = 7,682.85