Finding the Fourth Proportional to 7,404.72, 10,218.53 and 4,047.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.72 : 10,218.53 = 4,047.57 : x
2. Step 2: Convert to fraction form
   7,404.72/10,218.53 = 4,047.57/x
3. Step 3: Cross multiply
   7,404.72x = 10,218.53 × 4,047.57
4. Step 4: Simplify right side
   7,404.72x = 41,360,210.41
5. Step 5: Solve for x
   x = 41,360,210.41/7,404.72
6. Step 6: Final answer
   x = 5,585.66