Finding the Fourth Proportional to 9,084.16, 12,535.79 and 5,105.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.16 : 12,535.79 = 5,105.44 : x
2. Step 2: Convert to fraction form
   9,084.16/12,535.79 = 5,105.44/x
3. Step 3: Cross multiply
   9,084.16x = 12,535.79 × 5,105.44
4. Step 4: Simplify right side
   9,084.16x = 64,000,723.70
5. Step 5: Solve for x
   x = 64,000,723.70/9,084.16
6. Step 6: Final answer
   x = 7,045.31