Finding the Fourth Proportional to 9,154.56, 12,634.06 and 5,175.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154.56 : 12,634.06 = 5,175.94 : x
2. Step 2: Convert to fraction form
   9,154.56/12,634.06 = 5,175.94/x
3. Step 3: Cross multiply
   9,154.56x = 12,634.06 × 5,175.94
4. Step 4: Simplify right side
   9,154.56x = 65,393,136.52
5. Step 5: Solve for x
   x = 65,393,136.52/9,154.56
6. Step 6: Final answer
   x = 7,143.23