Finding the Fourth Proportional to 5,536.78, 7,648.05 and 4,104.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,536.78 : 7,648.05 = 4,104.05 : x
2. Step 2: Convert to fraction form
   5,536.78/7,648.05 = 4,104.05/x
3. Step 3: Cross multiply
   5,536.78x = 7,648.05 × 4,104.05
4. Step 4: Simplify right side
   5,536.78x = 31,387,999.77
5. Step 5: Solve for x
   x = 31,387,999.77/5,536.78
6. Step 6: Final answer
   x = 5,668.99