Finding the Fourth Proportional to 7,109.54, 10,664.47 and 5,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.54 : 10,664.47 = 5,649.72 : x
2. Step 2: Convert to fraction form
   7,109.54/10,664.47 = 5,649.72/x
3. Step 3: Cross multiply
   7,109.54x = 10,664.47 × 5,649.72
4. Step 4: Simplify right side
   7,109.54x = 60,251,269.45
5. Step 5: Solve for x
   x = 60,251,269.45/7,109.54
6. Step 6: Final answer
   x = 8,474.71