Finding the Fourth Proportional to 9,154.12, 12,632.88 and 5,175.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154.12 : 12,632.88 = 5,175.00 : x
2. Step 2: Convert to fraction form
   9,154.12/12,632.88 = 5,175.00/x
3. Step 3: Cross multiply
   9,154.12x = 12,632.88 × 5,175.00
4. Step 4: Simplify right side
   9,154.12x = 65,375,090.84
5. Step 5: Solve for x
   x = 65,375,090.84/9,154.12
6. Step 6: Final answer
   x = 7,141.60