Finding the Fourth Proportional to 7,477.27, 10,318.72 and 4,120.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,477.27 : 10,318.72 = 4,120.01 : x
2. Step 2: Convert to fraction form
   7,477.27/10,318.72 = 4,120.01/x
3. Step 3: Cross multiply
   7,477.27x = 10,318.72 × 4,120.01
4. Step 4: Simplify right side
   7,477.27x = 42,513,229.59
5. Step 5: Solve for x
   x = 42,513,229.59/7,477.27
6. Step 6: Final answer
   x = 5,685.66