Finding the Fourth Proportional to 7,308.05, 10,937.97 and 5,189.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.05 : 10,937.97 = 5,189.09 : x
2. Step 2: Convert to fraction form
   7,308.05/10,937.97 = 5,189.09/x
3. Step 3: Cross multiply
   7,308.05x = 10,937.97 × 5,189.09
4. Step 4: Simplify right side
   7,308.05x = 56,758,056.06
5. Step 5: Solve for x
   x = 56,758,056.06/7,308.05
6. Step 6: Final answer
   x = 7,766.52