Finding the Fourth Proportional to 7,429.82, 10,253.17 and 4,072.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,429.82 : 10,253.17 = 4,072.76 : x
2. Step 2: Convert to fraction form
   7,429.82/10,253.17 = 4,072.76/x
3. Step 3: Cross multiply
   7,429.82x = 10,253.17 × 4,072.76
4. Step 4: Simplify right side
   7,429.82x = 41,758,649.38
5. Step 5: Solve for x
   x = 41,758,649.38/7,429.82
6. Step 6: Final answer
   x = 5,620.41