Finding the Fourth Proportional to 5,308.48, 7,961.69 and 5,045.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.48 : 7,961.69 = 5,045.06 : x
2. Step 2: Convert to fraction form
   5,308.48/7,961.69 = 5,045.06/x
3. Step 3: Cross multiply
   5,308.48x = 7,961.69 × 5,045.06
4. Step 4: Simplify right side
   5,308.48x = 40,167,236.27
5. Step 5: Solve for x
   x = 40,167,236.27/5,308.48
6. Step 6: Final answer
   x = 7,566.62