Finding the Fourth Proportional to 7,477.10, 10,318.37 and 4,119.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,477.10 : 10,318.37 = 4,119.82 : x
2. Step 2: Convert to fraction form
   7,477.10/10,318.37 = 4,119.82/x
3. Step 3: Cross multiply
   7,477.10x = 10,318.37 × 4,119.82
4. Step 4: Simplify right side
   7,477.10x = 42,509,827.09
5. Step 5: Solve for x
   x = 42,509,827.09/7,477.10
6. Step 6: Final answer
   x = 5,685.34