Finding the Fourth Proportional to 9,158.42, 12,637.37 and 5,329.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.42 : 12,637.37 = 5,329.01 : x
2. Step 2: Convert to fraction form
   9,158.42/12,637.37 = 5,329.01/x
3. Step 3: Cross multiply
   9,158.42x = 12,637.37 × 5,329.01
4. Step 4: Simplify right side
   9,158.42x = 67,344,716.02
5. Step 5: Solve for x
   x = 67,344,716.02/9,158.42
6. Step 6: Final answer
   x = 7,353.31