Finding the Fourth Proportional to 5,678.52, 8,499.60 and 3,039.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678.52 : 8,499.60 = 3,039.45 : x
2. Step 2: Convert to fraction form
   5,678.52/8,499.60 = 3,039.45/x
3. Step 3: Cross multiply
   5,678.52x = 8,499.60 × 3,039.45
4. Step 4: Simplify right side
   5,678.52x = 25,834,109.22
5. Step 5: Solve for x
   x = 25,834,109.22/5,678.52
6. Step 6: Final answer
   x = 4,549.44