Finding the Fourth Proportional to 8,340.72, 12,497.24 and 5,870.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,340.72 : 12,497.24 = 5,870.35 : x
2. Step 2: Convert to fraction form
   8,340.72/12,497.24 = 5,870.35/x
3. Step 3: Cross multiply
   8,340.72x = 12,497.24 × 5,870.35
4. Step 4: Simplify right side
   8,340.72x = 73,363,226.56
5. Step 5: Solve for x
   x = 73,363,226.56/8,340.72
6. Step 6: Final answer
   x = 8,795.79