Finding the Fourth Proportional to 9,407.07, 12,982.32 and 5,375.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.07 : 12,982.32 = 5,375.16 : x
2. Step 2: Convert to fraction form
   9,407.07/12,982.32 = 5,375.16/x
3. Step 3: Cross multiply
   9,407.07x = 12,982.32 × 5,375.16
4. Step 4: Simplify right side
   9,407.07x = 69,782,047.17
5. Step 5: Solve for x
   x = 69,782,047.17/9,407.07
6. Step 6: Final answer
   x = 7,418.04