Finding the Fourth Proportional to 7,329.15, 10,113.63 and 4,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,329.15 : 10,113.63 = 4,142.72 : x
2. Step 2: Convert to fraction form
   7,329.15/10,113.63 = 4,142.72/x
3. Step 3: Cross multiply
   7,329.15x = 10,113.63 × 4,142.72
4. Step 4: Simplify right side
   7,329.15x = 41,897,916.56
5. Step 5: Solve for x
   x = 41,897,916.56/7,329.15
6. Step 6: Final answer
   x = 5,716.61