Finding the Fourth Proportional to 7,907.70, 10,911.09 and 5,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,907.70 : 10,911.09 = 5,546.10 : x
2. Step 2: Convert to fraction form
   7,907.70/10,911.09 = 5,546.10/x
3. Step 3: Cross multiply
   7,907.70x = 10,911.09 × 5,546.10
4. Step 4: Simplify right side
   7,907.70x = 60,513,996.25
5. Step 5: Solve for x
   x = 60,513,996.25/7,907.70
6. Step 6: Final answer
   x = 7,652.54