Finding the Fourth Proportional to 6,875.12, 9,487.69 and 4,222.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.12 : 9,487.69 = 4,222.52 : x
2. Step 2: Convert to fraction form
   6,875.12/9,487.69 = 4,222.52/x
3. Step 3: Cross multiply
   6,875.12x = 9,487.69 × 4,222.52
4. Step 4: Simplify right side
   6,875.12x = 40,061,960.78
5. Step 5: Solve for x
   x = 40,061,960.78/6,875.12
6. Step 6: Final answer
   x = 5,827.09