Finding the Fourth Proportional to 9,183.89, 12,671.52 and 5,407.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,183.89 : 12,671.52 = 5,407.22 : x
2. Step 2: Convert to fraction form
   9,183.89/12,671.52 = 5,407.22/x
3. Step 3: Cross multiply
   9,183.89x = 12,671.52 × 5,407.22
4. Step 4: Simplify right side
   9,183.89x = 68,517,696.37
5. Step 5: Solve for x
   x = 68,517,696.37/9,183.89
6. Step 6: Final answer
   x = 7,460.64