Finding the Fourth Proportional to 7,507.15, 10,359.79 and 4,149.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,507.15 : 10,359.79 = 4,149.80 : x
2. Step 2: Convert to fraction form
   7,507.15/10,359.79 = 4,149.80/x
3. Step 3: Cross multiply
   7,507.15x = 10,359.79 × 4,149.80
4. Step 4: Simplify right side
   7,507.15x = 42,991,009.89
5. Step 5: Solve for x
   x = 42,991,009.89/7,507.15
6. Step 6: Final answer
   x = 5,726.68