Finding the Fourth Proportional to 10,499.85, 15,751.71 and 3,003.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.85 : 15,751.71 = 3,003.09 : x
2. Step 2: Convert to fraction form
   10,499.85/15,751.71 = 3,003.09/x
3. Step 3: Cross multiply
   10,499.85x = 15,751.71 × 3,003.09
4. Step 4: Simplify right side
   10,499.85x = 47,303,743.71
5. Step 5: Solve for x
   x = 47,303,743.71/10,499.85
6. Step 6: Final answer
   x = 4,505.18