Finding the Fourth Proportional to 9,389.51, 12,957.33 and 5,410.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.51 : 12,957.33 = 5,410.38 : x
2. Step 2: Convert to fraction form
   9,389.51/12,957.33 = 5,410.38/x
3. Step 3: Cross multiply
   9,389.51x = 12,957.33 × 5,410.38
4. Step 4: Simplify right side
   9,389.51x = 70,104,079.09
5. Step 5: Solve for x
   x = 70,104,079.09/9,389.51
6. Step 6: Final answer
   x = 7,466.21