Finding the Fourth Proportional to 7,072.92, 9,751.59 and 5,459.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072.92 : 9,751.59 = 5,459.40 : x
2. Step 2: Convert to fraction form
   7,072.92/9,751.59 = 5,459.40/x
3. Step 3: Cross multiply
   7,072.92x = 9,751.59 × 5,459.40
4. Step 4: Simplify right side
   7,072.92x = 53,237,830.45
5. Step 5: Solve for x
   x = 53,237,830.45/7,072.92
6. Step 6: Final answer
   x = 7,526.99