Finding the Fourth Proportional to 7,298.82, 10,072.38 and 4,155

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298.82 : 10,072.38 = 4,155 : x
2. Step 2: Convert to fraction form
   7,298.82/10,072.38 = 4,155/x
3. Step 3: Cross multiply
   7,298.82x = 10,072.38 × 4,155
4. Step 4: Simplify right side
   7,298.82x = 41,850,718.13
5. Step 5: Solve for x
   x = 41,850,718.13/7,298.82
6. Step 6: Final answer
   x = 5,733.91