Finding the Fourth Proportional to 7,358.77, 10,154.89 and 4,172.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,358.77 : 10,154.89 = 4,172.37 : x
2. Step 2: Convert to fraction form
   7,358.77/10,154.89 = 4,172.37/x
3. Step 3: Cross multiply
   7,358.77x = 10,154.89 × 4,172.37
4. Step 4: Simplify right side
   7,358.77x = 42,369,942.35
5. Step 5: Solve for x
   x = 42,369,942.35/7,358.77
6. Step 6: Final answer
   x = 5,757.75