Finding the Fourth Proportional to 9,154.60, 12,632.52 and 5,176.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154.60 : 12,632.52 = 5,176.06 : x
2. Step 2: Convert to fraction form
   9,154.60/12,632.52 = 5,176.06/x
3. Step 3: Cross multiply
   9,154.60x = 12,632.52 × 5,176.06
4. Step 4: Simplify right side
   9,154.60x = 65,386,681.47
5. Step 5: Solve for x
   x = 65,386,681.47/9,154.60
6. Step 6: Final answer
   x = 7,142.49