Finding the Fourth Proportional to 7,404.75, 10,218.56 and 4,047.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,404.75 : 10,218.56 = 4,047.57 : x
2. Step 2: Convert to fraction form
   7,404.75/10,218.56 = 4,047.57/x
3. Step 3: Cross multiply
   7,404.75x = 10,218.56 × 4,047.57
4. Step 4: Simplify right side
   7,404.75x = 41,360,316.66
5. Step 5: Solve for x
   x = 41,360,316.66/7,404.75
6. Step 6: Final answer
   x = 5,585.65