Finding the Fourth Proportional to 9,395.15, 12,962.34 and 5,415.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,395.15 : 12,962.34 = 5,415.71 : x
2. Step 2: Convert to fraction form
   9,395.15/12,962.34 = 5,415.71/x
3. Step 3: Cross multiply
   9,395.15x = 12,962.34 × 5,415.71
4. Step 4: Simplify right side
   9,395.15x = 70,200,209.55
5. Step 5: Solve for x
   x = 70,200,209.55/9,395.15
6. Step 6: Final answer
   x = 7,471.97