Finding the Fourth Proportional to 7,361.15, 10,158.63 and 4,217.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,361.15 : 10,158.63 = 4,217.94 : x
2. Step 2: Convert to fraction form
   7,361.15/10,158.63 = 4,217.94/x
3. Step 3: Cross multiply
   7,361.15x = 10,158.63 × 4,217.94
4. Step 4: Simplify right side
   7,361.15x = 42,848,491.82
5. Step 5: Solve for x
   x = 42,848,491.82/7,361.15
6. Step 6: Final answer
   x = 5,820.90