Finding the Fourth Proportional to 7,171.02, 10,747.62 and 5,087.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,171.02 : 10,747.62 = 5,087.70 : x
2. Step 2: Convert to fraction form
   7,171.02/10,747.62 = 5,087.70/x
3. Step 3: Cross multiply
   7,171.02x = 10,747.62 × 5,087.70
4. Step 4: Simplify right side
   7,171.02x = 54,680,666.27
5. Step 5: Solve for x
   x = 54,680,666.27/7,171.02
6. Step 6: Final answer
   x = 7,625.23