Finding the Fourth Proportional to 7,322.91, 10,109.12 and 4,178.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.91 : 10,109.12 = 4,178.49 : x
2. Step 2: Convert to fraction form
   7,322.91/10,109.12 = 4,178.49/x
3. Step 3: Cross multiply
   7,322.91x = 10,109.12 × 4,178.49
4. Step 4: Simplify right side
   7,322.91x = 42,240,835.94
5. Step 5: Solve for x
   x = 42,240,835.94/7,322.91
6. Step 6: Final answer
   x = 5,768.31