Finding the Fourth Proportional to 9,377.16, 12,940.74 and 5,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,377.16 : 12,940.74 = 5,185.56 : x
2. Step 2: Convert to fraction form
   9,377.16/12,940.74 = 5,185.56/x
3. Step 3: Cross multiply
   9,377.16x = 12,940.74 × 5,185.56
4. Step 4: Simplify right side
   9,377.16x = 67,104,983.71
5. Step 5: Solve for x
   x = 67,104,983.71/9,377.16
6. Step 6: Final answer
   x = 7,156.22