Finding the Fourth Proportional to 7,300.05, 10,072.92 and 4,155.63

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.05 : 10,072.92 = 4,155.63 : x
2. Step 2: Convert to fraction form
   7,300.05/10,072.92 = 4,155.63/x
3. Step 3: Cross multiply
   7,300.05x = 10,072.92 × 4,155.63
4. Step 4: Simplify right side
   7,300.05x = 41,859,328.54
5. Step 5: Solve for x
   x = 41,859,328.54/7,300.05
6. Step 6: Final answer
   x = 5,734.12