Finding the Fourth Proportional to 9,394.14, 12,962.82 and 5,415.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,394.14 : 12,962.82 = 5,415.22 : x
2. Step 2: Convert to fraction form
   9,394.14/12,962.82 = 5,415.22/x
3. Step 3: Cross multiply
   9,394.14x = 12,962.82 × 5,415.22
4. Step 4: Simplify right side
   9,394.14x = 70,196,522.12
5. Step 5: Solve for x
   x = 70,196,522.12/9,394.14
6. Step 6: Final answer
   x = 7,472.37