Finding the Fourth Proportional to 7,318.50, 10,081.71 and 5,548.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,318.50 : 10,081.71 = 5,548.38 : x
2. Step 2: Convert to fraction form
   7,318.50/10,081.71 = 5,548.38/x
3. Step 3: Cross multiply
   7,318.50x = 10,081.71 × 5,548.38
4. Step 4: Simplify right side
   7,318.50x = 55,937,158.13
5. Step 5: Solve for x
   x = 55,937,158.13/7,318.50
6. Step 6: Final answer
   x = 7,643.25