Finding the Fourth Proportional to 9,425.76, 13,007.50 and 5,176.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425.76 : 13,007.50 = 5,176.84 : x
2. Step 2: Convert to fraction form
   9,425.76/13,007.50 = 5,176.84/x
3. Step 3: Cross multiply
   9,425.76x = 13,007.50 × 5,176.84
4. Step 4: Simplify right side
   9,425.76x = 67,337,746.30
5. Step 5: Solve for x
   x = 67,337,746.30/9,425.76
6. Step 6: Final answer
   x = 7,144.01