Finding the Fourth Proportional to 8,042.12, 12,056.82 and 5,225

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.12 : 12,056.82 = 5,225 : x
2. Step 2: Convert to fraction form
   8,042.12/12,056.82 = 5,225/x
3. Step 3: Cross multiply
   8,042.12x = 12,056.82 × 5,225
4. Step 4: Simplify right side
   8,042.12x = 62,996,884.50
5. Step 5: Solve for x
   x = 62,996,884.50/8,042.12
6. Step 6: Final answer
   x = 7,833.37