Finding the Fourth Proportional to 9,407.27, 12,983.41 and 5,427.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.27 : 12,983.41 = 5,427.60 : x
2. Step 2: Convert to fraction form
   9,407.27/12,983.41 = 5,427.60/x
3. Step 3: Cross multiply
   9,407.27x = 12,983.41 × 5,427.60
4. Step 4: Simplify right side
   9,407.27x = 70,468,756.12
5. Step 5: Solve for x
   x = 70,468,756.12/9,407.27
6. Step 6: Final answer
   x = 7,490.88