Finding the Fourth Proportional to 9,084.71, 12,537.26 and 5,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.71 : 12,537.26 = 5,105.81 : x
2. Step 2: Convert to fraction form
   9,084.71/12,537.26 = 5,105.81/x
3. Step 3: Cross multiply
   9,084.71x = 12,537.26 × 5,105.81
4. Step 4: Simplify right side
   9,084.71x = 64,012,779.27
5. Step 5: Solve for x
   x = 64,012,779.27/9,084.71
6. Step 6: Final answer
   x = 7,046.21