Finding the Fourth Proportional to 9,210.50, 12,710.49 and 5,018.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.50 : 12,710.49 = 5,018.75 : x
2. Step 2: Convert to fraction form
   9,210.50/12,710.49 = 5,018.75/x
3. Step 3: Cross multiply
   9,210.50x = 12,710.49 × 5,018.75
4. Step 4: Simplify right side
   9,210.50x = 63,790,771.69
5. Step 5: Solve for x
   x = 63,790,771.69/9,210.50
6. Step 6: Final answer
   x = 6,925.88