Finding the Fourth Proportional to 10,870.07, 16,313.33 and 7,171.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.07 : 16,313.33 = 7,171.07 : x
2. Step 2: Convert to fraction form
   10,870.07/16,313.33 = 7,171.07/x
3. Step 3: Cross multiply
   10,870.07x = 16,313.33 × 7,171.07
4. Step 4: Simplify right side
   10,870.07x = 116,983,967.72
5. Step 5: Solve for x
   x = 116,983,967.72/10,870.07
6. Step 6: Final answer
   x = 10,762.03