Finding the Fourth Proportional to 9,416.25, 12,994.42 and 5,167.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,416.25 : 12,994.42 = 5,167.34 : x
2. Step 2: Convert to fraction form
   9,416.25/12,994.42 = 5,167.34/x
3. Step 3: Cross multiply
   9,416.25x = 12,994.42 × 5,167.34
4. Step 4: Simplify right side
   9,416.25x = 67,146,495.43
5. Step 5: Solve for x
   x = 67,146,495.43/9,416.25
6. Step 6: Final answer
   x = 7,130.92