Finding the Fourth Proportional to 9,084.57, 12,536.31 and 5,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.57 : 12,536.31 = 5,105.59 : x
2. Step 2: Convert to fraction form
   9,084.57/12,536.31 = 5,105.59/x
3. Step 3: Cross multiply
   9,084.57x = 12,536.31 × 5,105.59
4. Step 4: Simplify right side
   9,084.57x = 64,005,258.97
5. Step 5: Solve for x
   x = 64,005,258.97/9,084.57
6. Step 6: Final answer
   x = 7,045.49