Finding the Fourth Proportional to 9,210.42, 12,710.43 and 5,018.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.42 : 12,710.43 = 5,018.67 : x
2. Step 2: Convert to fraction form
   9,210.42/12,710.43 = 5,018.67/x
3. Step 3: Cross multiply
   9,210.42x = 12,710.43 × 5,018.67
4. Step 4: Simplify right side
   9,210.42x = 63,789,453.73
5. Step 5: Solve for x
   x = 63,789,453.73/9,210.42
6. Step 6: Final answer
   x = 6,925.79