Finding the Fourth Proportional to 7,513.37, 10,367.55 and 4,155.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,513.37 : 10,367.55 = 4,155.72 : x
2. Step 2: Convert to fraction form
   7,513.37/10,367.55 = 4,155.72/x
3. Step 3: Cross multiply
   7,513.37x = 10,367.55 × 4,155.72
4. Step 4: Simplify right side
   7,513.37x = 43,084,634.89
5. Step 5: Solve for x
   x = 43,084,634.89/7,513.37
6. Step 6: Final answer
   x = 5,734.40