Finding the Fourth Proportional to 7,364.79, 10,162.83 and 4,178.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,364.79 : 10,162.83 = 4,178.12 : x
2. Step 2: Convert to fraction form
   7,364.79/10,162.83 = 4,178.12/x
3. Step 3: Cross multiply
   7,364.79x = 10,162.83 × 4,178.12
4. Step 4: Simplify right side
   7,364.79x = 42,461,488.13
5. Step 5: Solve for x
   x = 42,461,488.13/7,364.79
6. Step 6: Final answer
   x = 5,765.47