Finding the Fourth Proportional to 9,152.54, 12,630.38 and 5,174.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.54 : 12,630.38 = 5,174.94 : x
2. Step 2: Convert to fraction form
   9,152.54/12,630.38 = 5,174.94/x
3. Step 3: Cross multiply
   9,152.54x = 12,630.38 × 5,174.94
4. Step 4: Simplify right side
   9,152.54x = 65,361,458.68
5. Step 5: Solve for x
   x = 65,361,458.68/9,152.54
6. Step 6: Final answer
   x = 7,141.35